Add error codes for DRBG KAT failures.

Add abbreviated DRBG KAT for POST which only performs a single generate
operations instead of four.
diff --git a/fips/fips.h b/fips/fips.h
index c8a766e..8f94167 100644
--- a/fips/fips.h
+++ b/fips/fips.h
@@ -425,11 +425,15 @@
 #define FIPS_R_IN_ERROR_STATE				 123
 #define FIPS_R_KEY_TOO_SHORT				 124
 #define FIPS_R_NON_FIPS_METHOD				 125
+#define FIPS_R_NOPR_TEST1_FAILURE			 145
+#define FIPS_R_NOPR_TEST2_FAILURE			 146
 #define FIPS_R_NOT_INSTANTIATED				 126
 #define FIPS_R_PAIRWISE_TEST_FAILED			 127
 #define FIPS_R_PERSONALISATION_ERROR_UNDETECTED		 128
 #define FIPS_R_PERSONALISATION_STRING_TOO_LONG		 129
 #define FIPS_R_PRNG_STRENGTH_TOO_LOW			 143
+#define FIPS_R_PR_TEST1_FAILURE				 147
+#define FIPS_R_PR_TEST2_FAILURE				 148
 #define FIPS_R_REQUEST_LENGTH_ERROR_UNDETECTED		 130
 #define FIPS_R_REQUEST_TOO_LARGE_FOR_DRBG		 131
 #define FIPS_R_RESEED_COUNTER_ERROR			 132