pinctrl: aspeed: FWSPICS1 and SPI1CS1 pin support

Add FWSPICS1 and SPI1CS1 in AST2500 pinctrl group.
On AST2500 EVB, FWSPICS1 can be supported by default.
An extra jumper, J45, should be configured before
enabling SPI1CS1.

Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
diff --git a/drivers/pinctrl/aspeed/pinctrl_ast2500.c b/drivers/pinctrl/aspeed/pinctrl_ast2500.c
index 3c2e10b..93920a6 100644
--- a/drivers/pinctrl/aspeed/pinctrl_ast2500.c
+++ b/drivers/pinctrl/aspeed/pinctrl_ast2500.c
@@ -61,6 +61,8 @@
 	{ "MDIO2", 5, (1 << 2) },
 	{ "SD1", 5, (1 << 0) },
 	{ "SD2", 5, (1 << 1) },
+	{ "FWSPICS1", 3, (1 << 24) },
+	{ "SPI1CS1", 1, (1 << 15) },
 };
 
 static int ast2500_pinctrl_get_groups_count(struct udevice *dev)