updated to gcc arm q3

Author: mars

common.mk

@@ -2,9 +2,9 @@
 DSPLIB=Libraries/CMSIS/DSP_Lib/Source
 
 # Tool path
-TOOLROOT=Tools/gcc-arm-none-eabi-4_9-2015q2/bin
+TOOLROOT ?= Tools/gcc-arm-none-eabi-4_9-2015q3/bin
 
-CMSIS=Libraries/CMSIS/Include/
+CMSIS ?= Libraries/CMSIS/Include/
 
 # Tools
 CC=$(TOOLROOT)/arm-none-eabi-gcc