pinctrl: nuvoton: Fix sparse warning

Sparse complains:
drivers/pinctrl/nuvoton/pinctrl-wpcm450.c:626:9:
sparse: sparse: obsolete array initializer, use C99 syntax

This is because no equal sign is between the array index
and the assignments, in the macro.

Fix it up.
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c

@@ -895,7 +895,7 @@ static struct npcm7xx_func npcm7xx_funcs[] = {
 };
 
 #define NPCM7XX_PINCFG(a, b, c, d, e, f, g, h, i, j, k) \
-	[a] { .fn0 = fn_ ## b, .reg0 = NPCM7XX_GCR_ ## c, .bit0 = d, \
+	[a] = { .fn0 = fn_ ## b, .reg0 = NPCM7XX_GCR_ ## c, .bit0 = d, \
 			.fn1 = fn_ ## e, .reg1 = NPCM7XX_GCR_ ## f, .bit1 = g, \
 			.fn2 = fn_ ## h, .reg2 = NPCM7XX_GCR_ ## i, .bit2 = j, \
 			.flag = k }

drivers/pinctrl/nuvoton/pinctrl-wpcm450.c

@@ -613,7 +613,7 @@ static struct wpcm450_func wpcm450_funcs[] = {
 };
 
 #define WPCM450_PINCFG(a, b, c, d, e, f, g) \
-	[a] { .fn0 = fn_ ## b, .reg0 = WPCM450_GCR_ ## c, .bit0 = d, \
+	[a] = { .fn0 = fn_ ## b, .reg0 = WPCM450_GCR_ ## c, .bit0 = d, \
 	        .fn1 = fn_ ## e, .reg1 = WPCM450_GCR_ ## f, .bit1 = g }
 
 struct wpcm450_pincfg {