kernel: fix dependency on non-existent symbol

KERNEL_ARM64_CONTPTE depends on KERNEL_ARM64 which does not exist. Fix
it by depending on aarch64 instead.

Fixes: e9799d2dd4b0 ("kernel: add KERNEL_ARM64_CONTPTE")
Signed-off-by: Stijn Tintel <[email protected]>

config/Config-kernel.in

@@ -602,7 +602,7 @@ endchoice
 
 config KERNEL_ARM64_CONTPTE
 	bool "Compile the kernel with Contiguous PTE mappings for user memory"
-	depends on KERNEL_ARM64
+	depends on aarch64
 	depends on KERNEL_TRANSPARENT_HUGEPAGE
 	depends on !LINUX_6_6
 	default y