EDAC, MCE: Remove unused function parameter

Remove remains from previous functionality.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
diff --git a/drivers/edac/edac_mce_amd.h b/drivers/edac/edac_mce_amd.h
index df23ee0..8920133 100644
--- a/drivers/edac/edac_mce_amd.h
+++ b/drivers/edac/edac_mce_amd.h
@@ -64,6 +64,6 @@
 void amd_report_gart_errors(bool);
 void amd_register_ecc_decoder(void (*f)(int, struct err_regs *));
 void amd_unregister_ecc_decoder(void (*f)(int, struct err_regs *));
-void amd_decode_nb_mce(int, struct err_regs *, int);
+void amd_decode_nb_mce(int, struct err_regs *);
 
 #endif /* _EDAC_MCE_AMD_H */