mb/system76/lemp9: do early pad configuration in early bootstage

Do early pad configuration in early bootblock before console init, to
make the console work as early as possible. The board does not do any
other gpio configuration in bootblock, so this should not influence
behaviour in a negative way (e.g. breaking overrides).

Change-Id: Ie122a441145383b820d96e32ce1581dfc27fa57b
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49418
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Crawford <tcrawford@system76.com>
Reviewed-by: Jeremy Soller <jeremy@system76.com>

src/mainboard/system76/lemp9/bootblock.c

@@ -4,7 +4,7 @@
 #include <gpio.h>
 #include "gpio.h"
 
-void bootblock_mainboard_init(void)
+void bootblock_mainboard_early_init(void)
 {
 	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
 }