raspberry-pi: use 5.4.x kernel

target/config/Config.in.compiler

@@ -33,13 +33,14 @@ config ADK_TOOLCHAIN_GCC_11
 	bool "11.2.0"
 	depends on !ADK_TARGET_ARCH_AVR32
 	depends on !ADK_TARGET_ARCH_METAG
-	depends on !ADK_TARGET_ARCH_NDS32
+	depends on !ADK_TARGET_CPU_ARM_CORTEX_A53
 
 config ADK_TOOLCHAIN_GCC_10
 	bool "10.3.0"
 	depends on !ADK_TARGET_ARCH_AVR32
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_NDS32
+	depends on !ADK_TARGET_CPU_ARM_CORTEX_A53
 
 config ADK_TOOLCHAIN_GCC_9
 	bool "9.4.0"

target/linux/Config.in.kernelversion

@@ -196,7 +196,7 @@ config ADK_TARGET_LINUX_KERNEL_GIT
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
 	default "6b6e8a4d2dfd4c48f108963578712d4caef4513d" if ADK_TARGET_ARCH_KVX
 	default "b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8" if ADK_TARGET_ARCH_LM32
-	default "7f09832bc5fa67bde45e01da51328eb0fdc98157" if ADK_TARGET_BOARD_BCM28XX
+	default "ec0dcf3064b8ba99f226438214407fcea9870f76" if ADK_TARGET_BOARD_BCM28XX
 	default "f8d3b2a0fa5054aaed0f14cd457db9d8922bb167" if ADK_TARGET_SYSTEM_ADSP_BF537
 	default "e7c8afc1dda7b7c18596d90ad6a17ae886650b72" if ADK_TARGET_SYSTEM_KINETIS_K70
 	default "902739f3353150ac9eb69ad995098f3079d862a3" if ADK_TARGET_SYSTEM_SOLIDRUN_CLEARFOG
@@ -207,7 +207,7 @@ config ADK_TARGET_LINUX_KERNEL_GIT
 config ADK_TARGET_LINUX_KERNEL_GIT_VER
 	string "kernel version"
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
-	default "5.10.16" if ADK_TARGET_BOARD_BCM28XX
+	default "5.4.83" if ADK_TARGET_BOARD_BCM28XX
 	default "4.4.37" if ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK
 	default "4.4.52" if ADK_TARGET_SYSTEM_PHYTEC_WEGA
 	default "2.6.33" if ADK_TARGET_SYSTEM_KINETIS_K70