ARM: rmobile: Remove console parameter from bootargs on Gen3

This patch removes 'console=' argument, because kernel uses
stdout-path as parameter.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index 8086261..ef5c944 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -9,7 +9,7 @@
 CONFIG_FIT=y
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttySC0,115200 rw root=/dev/nfs nfsroot=192.168.0.1:/export/rfs ip=192.168.0.20"
+CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.20"
 CONFIG_SUPPORT_RAW_INITRD=y
 CONFIG_DEFAULT_FDT_FILE="r8a7796-m3ulcb.dtb"
 CONFIG_VERSION_VARIABLE=y