raspberrypi inclusion
category: feature
bugzilla: 50432

------------------------------

This patch adjusts following gpio related patches for
raspberry pi on non-Raspberry Pi platforms, using specific
config CONFIG_OPENEULER_RASPBERRYPI to distinguish them:

680d5826 Revert "mailbox: avoid timer start from callback"
1088c5d4 gpiolib: Don't prevent IRQ usage of output GPIOs
54bc28b4 gpio-poweroff: Allow it to work on Raspberry Pi
26b77aae i2c-gpio: Also set bus numbers from reg property
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>