arm64: don't select PERF_USE_VMALLOC by default

Any arm64 based parts that have cache aliasing issues can set it
manually.  Apparently dragged in from ARM(32) defaults in commit
8c2c3df3 "arm64: Build infrastructure".
Signed-off-by: NKim Phillips <kim.phillips@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: NWill Deacon <will.deacon@arm.com>

arch/arm64/Kconfig

@@ -105,7 +105,6 @@ config ARM64
 	select OF_NUMA if NUMA && OF
 	select OF_RESERVED_MEM
 	select PCI_ECAM if ACPI
-	select PERF_USE_VMALLOC
 	select POWER_RESET
 	select POWER_SUPPLY
 	select SPARSE_IRQ