The mips config files were broken, and failed to define NM

for some reason...

extra/Configs/Config.mips

@@ -37,6 +37,7 @@ CROSS = mips-linux-
 CC = $(CROSS)gcc
 AR = $(CROSS)ar
 LD = $(CROSS)ld
+NM = $(CROSS)nm
 STRIPTOOL = $(CROSS)strip
 #STRIPTOOL = /bin/true
 

extra/Configs/Config.mipsel

@@ -37,6 +37,7 @@ CROSS = mipsel-linux-
 CC = $(CROSS)gcc
 AR = $(CROSS)ar
 LD = $(CROSS)ld
+NM = $(CROSS)nm
 STRIPTOOL = $(CROSS)strip
 #STRIPTOOL = /bin/true