[Buildroot] [git commit branch/2025.08.x] {linux, linux-headers}: bump 6.12.x, 6.6.x series

[Arnout Vandecappelle]

commit: https://git.buildroot.net/buildroot/commit/?id=3c1e6ee3daeb6840b3a4101555cc319af5de725f
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2025.08.x

Update the latest kernel releases to:
 - 6.12.54 -> 6.12.55
 - 6.6.113 -> 6.6.114

Signed-off-by: Titouan Christophe <titouan.christophe at mind.be>
---
 linux/linux.hash                     | 4 ++--
 package/linux-headers/Config.in.host | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/linux/linux.hash b/linux/linux.hash
index a901813f1f..7dd5787c5f 100644
--- a/linux/linux.hash
+++ b/linux/linux.hash
@@ -1,7 +1,7 @@
 # From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
 sha256  7ca4debc5ca912ebb8a76944a5c118afd5d09e31ef43c494adb14273da29a26e  linux-6.16.12.tar.xz
-sha256  1b0dcd3390efeec44e528748609bafcf36eae895bb68c8f62ac5e5940943de62  linux-6.12.54.tar.xz
-sha256  1f95cfd2e461d192dd9c6130e47aefc9856529a74ace4191ad8e56ba1849c41e  linux-6.6.113.tar.xz
+sha256  328f8f4608a653063a5fd82d29b17163faab2825fa419fa85b961740a342fb9f  linux-6.12.55.tar.xz
+sha256  ca4175a03ce2943ae192d77ad91e37ee292f1f1bb7b2954b062b0ef7eb0cb97c  linux-6.6.114.tar.xz
 sha256  a0a184e10221afcce4e87fcbec6af2ae9f63f64ad1985aa61e80c9596696f66e  linux-6.1.157.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
 sha256  23d080dc32f99d3939c3d1bd65a68ed85b8f934f92cc1841a63f898dcdb9a441  linux-5.15.195.tar.xz
diff --git a/package/linux-headers/Config.in.host b/package/linux-headers/Config.in.host
index 52260d9a0b..2377822c53 100644
--- a/package/linux-headers/Config.in.host
+++ b/package/linux-headers/Config.in.host
@@ -458,8 +458,8 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "5.10.245"	if BR2_KERNEL_HEADERS_5_10
 	default "5.15.195"	if BR2_KERNEL_HEADERS_5_15
 	default "6.1.157"	if BR2_KERNEL_HEADERS_6_1
-	default "6.6.113"	if BR2_KERNEL_HEADERS_6_6
-	default "6.12.54"	if BR2_KERNEL_HEADERS_6_12
+	default "6.6.114"	if BR2_KERNEL_HEADERS_6_6
+	default "6.12.55"	if BR2_KERNEL_HEADERS_6_12
 	default "6.16.12"	if BR2_KERNEL_HEADERS_6_16
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL