crypto: arm64/sha - Add declarations for assembly variables

This patch adds declarations for variables only used by assembly
code to silence compiler warnings:

  CC [M]  arch/arm64/crypto/sha1-ce-glue.o
  AS [M]  arch/arm64/crypto/sha1-ce-core.o
  CC [M]  arch/arm64/crypto/sha2-ce-glue.o
  AS [M]  arch/arm64/crypto/sha2-ce-core.o
  CHECK   ../arch/arm64/crypto/sha1-ce-glue.c
  CHECK   ../arch/arm64/crypto/sha2-ce-glue.c
../arch/arm64/crypto/sha1-ce-glue.c:38:11: warning: symbol 'sha1_ce_offsetof_count' was not declared. Should it be static?
../arch/arm64/crypto/sha1-ce-glue.c:39:11: warning: symbol 'sha1_ce_offsetof_finalize' was not declared. Should it be static?
../arch/arm64/crypto/sha2-ce-glue.c:38:11: warning: symbol 'sha256_ce_offsetof_count' was not declared. Should it be static?
../arch/arm64/crypto/sha2-ce-glue.c:40:11: warning: symbol 'sha256_ce_offsetof_finalize' was not declared. Should it be static?
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/arm64/crypto/sha1-ce-glue.c

@@ -25,6 +25,9 @@ struct sha1_ce_state {
 	u32			finalize;
 };
 
+extern const u32 sha1_ce_offsetof_count;
+extern const u32 sha1_ce_offsetof_finalize;
+
 asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
 				  int blocks);
 

arch/arm64/crypto/sha2-ce-glue.c

@@ -25,6 +25,9 @@ struct sha256_ce_state {
 	u32			finalize;
 };
 
+extern const u32 sha256_ce_offsetof_count;
+extern const u32 sha256_ce_offsetof_finalize;
+
 asmlinkage void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
 				  int blocks);