ARM: renesas: Rename ARCH_RMOBILE to ARCH_RENESAS

Rename ARCH_RMOBILE to ARCH_RENESAS because all the chips are made
by Renesas, while only a subset of them is from the R-Mobile
line.

Use the following command to perform the rename:

"
$ git grep -l 'ARCH_RMOBILE' | xargs -I {} sed -i 's@ARCH_RMOBILE@ARCH_RENESAS@g' {}
"

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
diff --git a/configs/r8a779a0_falcon_defconfig b/configs/r8a779a0_falcon_defconfig
index f124dea..6ffff22 100644
--- a/configs/r8a779a0_falcon_defconfig
+++ b/configs/r8a779a0_falcon_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_COUNTER_FREQUENCY=16666666
 CONFIG_ARCH_CPU_INIT=y
-CONFIG_ARCH_RMOBILE=y
+CONFIG_ARCH_RENESAS=y
 CONFIG_TEXT_BASE=0x50000000
 CONFIG_SYS_MALLOC_LEN=0x4000000
 CONFIG_ENV_SIZE=0x40000