config: fix ARM64 dependency check

The ARM64 CPUs use aarch64 config symbol, fix the depends lines.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

config/Config-kernel.in

@@ -50,12 +50,12 @@ config KERNEL_MIPS_FPU_EMULATOR
 config KERNEL_ARM_PMU
 	bool
 	default n
-	depends on (arm || arm64)
+	depends on (arm || aarch64)
 
 config KERNEL_PERF_EVENTS
 	bool "Compile the kernel with performance events and counters"
 	default n
-	select KERNEL_ARM_PMU if (arm || arm64)
+	select KERNEL_ARM_PMU if (arm || aarch64)
 
 config KERNEL_PROFILING
 	bool "Compile the kernel with profiling enabled"