linux: use 6.6.x for noMMU ELF targets

target/config/Config.in.binfmt

@@ -7,6 +7,7 @@ depends on ADK_TARGET_OS_LINUX && !ADK_TARGET_CHOOSE_ARCH
 
 config ADK_TARGET_BINFMT_ELF
 	bool "ELF"
+	select ADK_TARGET_USE_STATIC_LIBS_ONLY if !ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_WITH_MMU || ADK_TARGET_ARCH_ARM || \
 		ADK_TARGET_ARCH_M68K || ADK_TARGET_ARCH_RISCV64
 

target/linux/Config.in.kernelversion

@@ -24,6 +24,9 @@ default ADK_TARGET_LINUX_KERNEL_VERSION_4_9 if ADK_TARGET_SYSTEM_ST_STM32F769
 default ADK_TARGET_LINUX_KERNEL_VERSION_5_4 if ADK_TARGET_ARCH_C6X
 default ADK_TARGET_LINUX_KERNEL_VERSION_5_10 if ADK_TARGET_SYSTEM_NUMATO_MIMASV2
 default ADK_TARGET_LINUX_KERNEL_VERSION_5_15 if ADK_TARGET_ARCH_NDS32
+default ADK_TARGET_LINUX_KERNEL_VERSION_6_6 if ADK_TARGET_ARCH_ARM && !ADK_TARGET_WITH_MMU && ADK_TARGET_BINFMT_ELF
+default ADK_TARGET_LINUX_KERNEL_VERSION_6_6 if ADK_TARGET_ARCH_M68K && !ADK_TARGET_WITH_MMU && ADK_TARGET_BINFMT_ELF
+default ADK_TARGET_LINUX_KERNEL_VERSION_6_6 if ADK_TARGET_ARCH_RISCV64 && !ADK_TARGET_WITH_MMU && ADK_TARGET_BINFMT_ELF
 default ADK_TARGET_LINUX_KERNEL_VERSION_6_1
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_GIT