The Broadcom Vulcan ARM64 processor uses the same I2C controller
present on the Broadcom XLP9xx/5xx MIPS processor family.
Updated the Kconfig by adding ARCH_VULCAN option.
Signed-off-by: NTanmay Jagdale <tanmay.jagdale@broadcom.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>