amd64_edac: Cleanup NBSH cruft

Remove reporting of errors with UC bit set - this is done by the MCE
decoding code anyway and this driver deals with DRAM ECC errors only. UC
(NB uncorrectable error) doesn't necessarily mean it is a DRAM error.
Remove unused macros while at it.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h
index 45dda47..70a0bb2 100644
--- a/drivers/edac/mce_amd.h
+++ b/drivers/edac/mce_amd.h
@@ -31,19 +31,11 @@
 #define R4(x)				(((x) >> 4) & 0xf)
 #define R4_MSG(x)			((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
 
-#define K8_NBSH				0x4C
-
-#define K8_NBSH_VALID_BIT		BIT(31)
-#define K8_NBSH_OVERFLOW		BIT(30)
-#define K8_NBSH_UC_ERR			BIT(29)
-#define K8_NBSH_ERR_EN			BIT(28)
-#define K8_NBSH_MISCV			BIT(27)
-#define K8_NBSH_VALID_ERROR_ADDR	BIT(26)
-#define K8_NBSH_PCC			BIT(25)
-#define K8_NBSH_ERR_CPU_VAL		BIT(24)
-#define K8_NBSH_CECC			BIT(14)
-#define K8_NBSH_UECC			BIT(13)
-#define K8_NBSH_ERR_SCRUBER		BIT(8)
+/*
+ * F3x4C bits (MCi_STATUS' high half)
+ */
+#define NBSH_VALID_ERROR_ADDR		BIT(26)
+#define NBSH_ERR_CPU_VAL		BIT(24)
 
 enum tt_ids {
 	TT_INSTR = 0,