[MIPS] Malta: Fix for SOCitSC based Maltas

And an attempt to tidy up the core/controller differences.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c
index c14b7bf..8f1b78d 100644
--- a/arch/mips/mips-boards/malta/malta_setup.c
+++ b/arch/mips/mips-boards/malta/malta_setup.c
@@ -103,9 +103,7 @@
 	kgdb_config ();
 #endif
 
-	if ((mips_revision_corid == MIPS_REVISION_CORID_BONITO64) ||
-	    (mips_revision_corid == MIPS_REVISION_CORID_CORE_20K) ||
-	    (mips_revision_corid == MIPS_REVISION_CORID_CORE_EMUL_BON)) {
+	if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) {
 		char *argptr;
 
 		argptr = prom_getcmdline();