openrisc: configs: Cleanup CONFIG_CROSS_COMPILE

CONFIG_CROSS_COMPILE is gone since commit f1089c92 ("kbuild: remove
CONFIG_CROSS_COMPILE support").
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>

Documentation/openrisc/openrisc_port.rst

@@ -37,8 +37,8 @@ or Stafford's toolchain build and release scripts.
 
 Build the Linux kernel as usual::
 
-	make ARCH=openrisc defconfig
-	make ARCH=openrisc
+	make ARCH=openrisc CROSS_COMPILE="or1k-linux-" defconfig
+	make ARCH=openrisc CROSS_COMPILE="or1k-linux-"
 
 3) Running on FPGA (optional)
 

arch/openrisc/configs/or1ksim_defconfig

-CONFIG_CROSS_COMPILE="or1k-linux-"
 CONFIG_NO_HZ=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y

arch/openrisc/configs/simple_smp_defconfig

-CONFIG_CROSS_COMPILE="or1k-linux-"
 CONFIG_LOCALVERSION="-simple-smp"
 CONFIG_NO_HZ=y
 CONFIG_LOG_BUF_SHIFT=14