crypto: qat - make qat_asym_algs.o depend on asn1 headers

Parallel build can sporadically fail because asn1 headers may
not be built yet by the time qat_asym_algs.o is compiled:
  drivers/crypto/qat/qat_common/qat_asym_algs.c:55:32: fatal error: qat_rsapubkey-asn1.h: No such file or directory
   #include "qat_rsapubkey-asn1.h"

Cc: stable@vger.kernel.org
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/qat/qat_common/Makefile b/drivers/crypto/qat/qat_common/Makefile
index 6d74b91..5fc3dbb 100644
--- a/drivers/crypto/qat/qat_common/Makefile
+++ b/drivers/crypto/qat/qat_common/Makefile
@@ -2,6 +2,7 @@
 			     $(obj)/qat_rsapubkey-asn1.h
 $(obj)/qat_rsaprivkey-asn1.o: $(obj)/qat_rsaprivkey-asn1.c \
 			      $(obj)/qat_rsaprivkey-asn1.h
+$(obj)/qat_asym_algs.o: $(obj)/qat_rsapubkey-asn1.h $(obj)/qat_rsaprivkey-asn1.h
 
 clean-files += qat_rsapubkey-asn1.c qat_rsapubkey-asn1.h
 clean-files += qat_rsaprivkey-asn1.c qat_rsaprivkey-asn1.h