[MIPS] SN: Rename SGI_SN0_N_MODE -> SGI_SN_N_MODE.

It's not SN0-specific.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/sn/sn0/hubmd.h b/include/asm-mips/sn/sn0/hubmd.h
index a66def4..1006aa2 100644
--- a/include/asm-mips/sn/sn0/hubmd.h
+++ b/include/asm-mips/sn/sn0/hubmd.h
@@ -92,7 +92,7 @@
 #define MD_UREG1_14		0x2200f0 /* uController/UART 1 register     */
 #define MD_UREG1_15		0x2200f8 /* uController/UART 1 register     */
 
-#ifdef CONFIG_SGI_SN0_N_MODE
+#ifdef CONFIG_SGI_SN_N_MODE
 #define MD_MEM_BANKS		4	 /* 4 banks of memory max in N mode */
 #else
 #define MD_MEM_BANKS		8	 /* 8 banks of memory max in M mode */