mb/clevo/kbl-u: Add a seperate method for early GPIOs

Add variant_configure_early_gpios() configuring early GPIOs to make the
difference clear.

Change-Id: I6e7c8c32963c9eeab4399947dac511442987cb45
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48298
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/clevo/kbl-u/bootblock.c

@@ -5,5 +5,5 @@
 
 void bootblock_mainboard_early_init(void)
 {
-	variant_configure_gpios();
+	variant_configure_early_gpios();
 }

src/mainboard/clevo/kbl-u/include/variant/gpio.h

@@ -3,6 +3,7 @@
 #ifndef VARIANT_GPIO_H
 #define VARIANT_GPIO_H
 
+void variant_configure_early_gpios(void);
 void variant_configure_gpios(void);
 
 #endif

src/mainboard/clevo/kbl-u/variants/n13xwu/gpio_early.c

@@ -11,7 +11,7 @@ static const struct pad_config early_gpio_table[] = {
 	_PAD_CFG_STRUCT(GPP_C21,	0x44000700,	0x0)
 };
 
-void variant_configure_gpios(void)
+void variant_configure_early_gpios(void)
 {
 	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
 }