armv6: unbreak compile errors, we need to stick with gcc 7.4.0 and Linux 4.9.x

target/config/Config.in.compiler

@@ -33,6 +33,7 @@ default ADK_TOOLCHAIN_GCC_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_AVR32 if ADK_TARGET_ARCH_AVR32
 default ADK_TOOLCHAIN_GCC_METAG if ADK_TARGET_ARCH_METAG
 default ADK_TOOLCHAIN_GCC_NDS32 if ADK_TARGET_ARCH_NDS32
+default ADK_TOOLCHAIN_GCC_7 if ADK_TARGET_CPU_ARM_ARM11MPCORE
 default ADK_TOOLCHAIN_GCC_8
 
 config ADK_TOOLCHAIN_GCC_GIT
@@ -47,6 +48,7 @@ config ADK_TOOLCHAIN_GCC_9
 	depends on !ADK_TARGET_ARCH_AVR32
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_NDS32
+	depends on !ADK_TARGET_CPU_ARM_ARM11MPCORE
 
 config ADK_TOOLCHAIN_GCC_8
 	bool "8.3.0"
@@ -56,6 +58,7 @@ config ADK_TOOLCHAIN_GCC_8
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_OR1K
+	depends on !ADK_TARGET_CPU_ARM_ARM11MPCORE
 
 config ADK_TOOLCHAIN_GCC_7
 	bool "7.4.0"

target/linux/Config.in.kernelversion

@@ -20,6 +20,7 @@ default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_ARCH_H8300
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_ARCH_METAG
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_9 if ADK_TARGET_ARCH_AVR32
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_9 if ADK_TARGET_ARCH_BFIN
+default ADK_TARGET_LINUX_KERNEL_VERSION_4_9 if ADK_TARGET_CPU_ARM_ARM11MPCORE
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_19
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_GIT
@@ -40,6 +41,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_5_3
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_CRIS
 	depends on !ADK_TARGET_ARCH_METAG
+	depends on !ADK_TARGET_CPU_ARM_ARM11MPCORE
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_4_19
 	bool "4.19.75"
@@ -51,6 +53,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_4_19
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_RISCV32
 	depends on !ADK_TARGET_ARCH_RISCV64
+	depends on !ADK_TARGET_CPU_ARM_ARM11MPCORE
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_4_14
 	bool "4.14.142"
@@ -63,6 +66,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_4_14
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_RISCV32
 	depends on !ADK_TARGET_ARCH_RISCV64
+	depends on !ADK_TARGET_CPU_ARM_ARM11MPCORE
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_4_9
 	bool "4.9.179"