watchdog only need to handle SYS_RESTART

when input reboot,watchdog need output reset signal to PMIC,
but need not to handle poweroff

Change-Id: I7ee506c4d9f5e42d29da8c172fa1a59c9b3f0e5e
Add MT6397 Clock Support: mt8135_crosnb_defconfig

Change-Id: Ic87879e8c5db663071f00be514de4dac5e8ae8c4
Signed-off-by: Flora Fu <flora.fu@mediatek.com>
Fix build warning

Fix following files build warning
  drivers/spi/spi-mt65xx.c
  drivers/mfd/mt6397-irq.c

Change-Id: I6ba012d79f8ed5311dc1837f9272bb16a251d329
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Fix build warning

Change-Id: I4b1ed96d00adcd0be850c591f526553cdfdfe94e
Fix clk-mtk.c build warning

Fix drivers/clk/mediatek/clk-mtk.c build warning

Change-Id: I525343b81a1480d5ca3b2a2be05eedf08e4600d0
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Fix pinctrl-mtk-common.c build warning

Fix drivers/pinctrl/mediatek/pinctrl-mtk-common.c build warning

Change-Id: Ic19cd793b608ebaae50a1fd0eca115f9e33e5ca1
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Fix USB build warning

Change-Id: Iefca3823272c68251d52b573278c8d74828b34f7
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>