README.ASIC: KnCMiner: Suggest --disable-other-drivers and remove no-optimisation CFLAGS

README.ASIC

@@ -163,7 +163,7 @@ git clone git://github.com/luke-jr/bfgminer
 cd bfgminer
 ./autogen.sh
 git clone git://github.com/troydhanson/uthash
-./configure --host=arm-angstrom-linux-gnueabi --enable-knc CFLAGS="-I$PWD/uthash/src -O0 -ggdb"
+./configure --host=arm-angstrom-linux-gnueabi --enable-knc --disable-other-drivers CFLAGS="-I$PWD/uthash/src"
 make AR=arm-angstrom-linux-gnueabi-ar
 
 /etc/init.d/cgminer.sh stop