Update README.md
Fix 'cross compil' to 'cross compile' in `CMSIS/DSP/README.md`
@@ -54,7 +54,7 @@ FVP_MPS2_Cortex-M7.exe -a arm_variance_example
## Customization
-armcc.make is use to cross compil with AC6 coming from ArmDS.
+armcc.make is use to cross compile with AC6 coming from ArmDS.
You'll need to create a different toolchain file if you use something different.
Then you'll need to pass this file to cmake on the command line.
