ramips: mt7621: undo mips-cm probe hack to not wipe out memory regions

Since now we hopefully setup memory regions properly we no longer need this hack.

Tested and works on ubnt-erx.

Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>

SVN-Revision: 47905

target/linux/ramips/patches-4.3/0062-remove-cm-memory-regions-cleanup-hack.patch

@@ -0,0 +1,20 @@
+--- a/arch/mips/kernel/mips-cm.c
++++ b/arch/mips/kernel/mips-cm.c
+@@ -238,7 +238,7 @@ int mips_cm_probe(void)
+ 	write_gcr_base(base_reg);
+ 
+ 	/* disable CM regions */
+-/*	write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
++	write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ 	write_gcr_reg0_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ 	write_gcr_reg1_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ 	write_gcr_reg1_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+@@ -246,7 +246,7 @@ int mips_cm_probe(void)
+ 	write_gcr_reg2_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+ 	write_gcr_reg3_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+ 	write_gcr_reg3_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
+-*/
++
+ 	/* probe for an L2-only sync region */
+ 	mips_cm_probe_l2sync();
+