The call to alternative_has_cap_likely(ARM64_HAS_FPSIMD) requires symbols
from asm/alternative.h. Currently this header is included transitively, but
that transitive inclusion is about to go away.

Explicitly include the header.

Signed-off-by: Thomas Weißschuh <redacted>
Tested-by: Andreas Larsson <andreas@gaisler.com>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
---
 arch/arm64/kernel/vdso/vgetrandom.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kernel/vdso/vgetrandom.c b/arch/arm64/kernel/vdso/vgetrandom.c
index 832fe195292b34e2029f593ea170347c98e06dac..0aef124c90899dc0c8956b0f32f54992aa3acf0b 100644
--- a/arch/arm64/kernel/vdso/vgetrandom.c
+++ b/arch/arm64/kernel/vdso/vgetrandom.c

@@ -2,6 +2,8 @@
 
 #include <uapi/asm-generic/errno.h>
 
+#include <asm/alternative.h>
+
 typeof(__cvdso_getrandom) __kernel_getrandom;
 
 ssize_t __kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len)

-- 
2.51.0