pinctrl: mediatek: add no eint function for pin define

Add NO_EINT_SUPPORT back to pinctrl-mtk-common-v2.h as the alias of
EINT_NA to indicate that some pin not capable of being controlled as eint
and that is required by pinctrl-paris based driver as old
pinctrl-mtk-common.h already had.

Signed-off-by: Mars Cheng <[e-mail]>
Signed-off-by: Sean Wang <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h

···
 #define MTK_PULLUP     1
 
 #define EINT_NA	U16_MAX
+#define NO_EINT_SUPPORT	EINT_NA
 
 #define PIN_FIELD_CALC(_s_pin, _e_pin, _i_base, _s_addr, _x_addrs,      \
 		       _s_bit, _x_bits, _sz_reg, _fixed) {		\