lib/raid6: Fix arm64 test build

[ Upstream commit 313a06e636808387822af24c507cba92703568b1 ]

The lib/raid6/test fails to build the neon objects
on arm64 because the correct machine type is 'aarch64'.

Once this is correctly enabled, the neon recovery objects
need to be added to the build.
Reviewed-by: NArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: NJeremy Linton <jeremy.linton@arm.com>
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>

lib/raid6/test/Makefile

@@ -27,7 +27,7 @@ ifeq ($(ARCH),arm)
         CFLAGS += -I../../../arch/arm/include -mfpu=neon
         HAS_NEON = yes
 endif
-ifeq ($(ARCH),arm64)
+ifeq ($(ARCH),aarch64)
         CFLAGS += -I../../../arch/arm64/include
         HAS_NEON = yes
 endif
@@ -41,7 +41,7 @@ ifeq ($(IS_X86),yes)
 		    gcc -c -x assembler - >&/dev/null &&        \
 		    rm ./-.o && echo -DCONFIG_AS_AVX512=1)
 else ifeq ($(HAS_NEON),yes)
-        OBJS   += neon.o neon1.o neon2.o neon4.o neon8.o
+        OBJS   += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
         CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
 else
         HAS_ALTIVEC := $(shell printf '\#include <altivec.h>\nvector int a;\n' |\