[Buildroot] [git commit branch/2025.05.x] {linux, linux-headers}: bump 6.12.x, 6.6.x, 6.1.x, 5.15.x, 5.10.x, 5.4.x series

[Titouan Christophe]

commit: https://git.buildroot.net/buildroot/commit/?id=3ac7c958133d10e84a09161446432ea4c48d57f9
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2025.05.x

Update the latest kernel releases to:
 - 6.12.49 -> 6.12.51
 - 6.6.108 -> 6.6.110
 - 6.1.154 -> 6.1.155
 - 5.15.193 -> 5.15.194
 - 5.10.244 -> 5.10.245
 - 5.4.299 -> 5.4.300

Signed-off-by: Titouan Christophe <titouan.christophe at mind.be>
---
 linux/linux.hash                     | 12 ++++++------
 package/linux-headers/Config.in.host | 12 ++++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/linux/linux.hash b/linux/linux.hash
index 3d8e28303e..c8c40a6e0b 100644
--- a/linux/linux.hash
+++ b/linux/linux.hash
@@ -1,12 +1,12 @@
 # From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
 sha256  3f1ccd0a6dc9c9777cb6fcef357c77e4a2386c84c52b6d5bbcda79c16af33b1b  linux-6.14.11.tar.xz
-sha256  234621e146dacce2241049555d550e4f7a6bde67ccd7ef232d47ac8145425526  linux-6.12.49.tar.xz
-sha256  601cd332aa695d16607b353feff369b4a0b36d111be077e8af54bdd41e1968a6  linux-6.6.108.tar.xz
-sha256  6f1aba92c3d0d21299eebb73161a2056c7c78c6ee77462a7cb705bd8cca8b198  linux-6.1.154.tar.xz
+sha256  2d55ad149ca7d9ef82595c669430650030cbf9afbbeb42e5cd9b4ba3cc1a7221  linux-6.12.51.tar.xz
+sha256  1bf20daf5543b8759f325e55fb0da4913715e68741627a13380e66aaf219fb1d  linux-6.6.110.tar.xz
+sha256  c29387aeee085fbcbd91236224b9df805063bac43615e75cea2c6b29604a5c73  linux-6.1.155.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
-sha256  c70262d2f902710b773ef2f35c04b3ff2111e5186c8a97da351454180aac1e99  linux-5.15.193.tar.xz
-sha256  210a37cc09f5c2b3d6f011aa1c65d2484d6f4ec17cf90df473f917abb2c26dc0  linux-5.10.244.tar.xz
-sha256  88de95aeeb8d941fe61497f5e2e886bed25a79d509aa71ba25a2727fd7f0bf2d  linux-5.4.299.tar.xz
+sha256  348d6faada05fd4684450cd7c4e666c3c98cdb96f2309b1520c9a92a378c267e  linux-5.15.194.tar.xz
+sha256  131e75eb14da6fd683b3882bcd856085cfca47cc1aa89cd2deb1b48d22d29d9f  linux-5.10.245.tar.xz
+sha256  9949210093ca924d7b41162bb4772becd3f28ff726a09d061558929690a1815a  linux-5.4.300.tar.xz
 # Locally computed
 sha256  fb0edc3c18e47d2b6974cb0880a0afb5c3fa08f50ee87dfdf24349405ea5f8ae  linux-cip-5.10.162-cip24.tar.gz
 sha256  b5539243f187e3d478d76d44ae13aab83952c94b885ad889df6fa9997e16a441  linux-cip-5.10.162-cip24-rt10.tar.gz
diff --git a/package/linux-headers/Config.in.host b/package/linux-headers/Config.in.host
index 83855a0396..df02ad9576 100644
--- a/package/linux-headers/Config.in.host
+++ b/package/linux-headers/Config.in.host
@@ -440,12 +440,12 @@ endchoice
 
 config BR2_DEFAULT_KERNEL_HEADERS
 	string
-	default "5.4.299"	if BR2_KERNEL_HEADERS_5_4
-	default "5.10.244"	if BR2_KERNEL_HEADERS_5_10
-	default "5.15.193"	if BR2_KERNEL_HEADERS_5_15
-	default "6.1.154"	if BR2_KERNEL_HEADERS_6_1
-	default "6.6.108"	if BR2_KERNEL_HEADERS_6_6
-	default "6.12.49"	if BR2_KERNEL_HEADERS_6_12
+	default "5.4.300"	if BR2_KERNEL_HEADERS_5_4
+	default "5.10.245"	if BR2_KERNEL_HEADERS_5_10
+	default "5.15.194"	if BR2_KERNEL_HEADERS_5_15
+	default "6.1.155"	if BR2_KERNEL_HEADERS_6_1
+	default "6.6.110"	if BR2_KERNEL_HEADERS_6_6
+	default "6.12.51"	if BR2_KERNEL_HEADERS_6_12
 	default "6.14.11"	if BR2_KERNEL_HEADERS_6_14
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL