mb/google/octopus: do LPC/eSPI pad configuration at board-level

Do LPC/eSPI pad configuration at board-level to match other platforms by
adding an appropriate early gpio table in the bootblock.

The soc code gets dropped in CB:49410.

Change-Id: Ie33bae481f430a1c4410a0a4e2b2a34a3e78adaa
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49411
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/octopus/bootblock.c

@@ -3,7 +3,6 @@
 #include <baseboard/variants.h>
 #include <bootblock_common.h>
 #include <ec/ec.h>
-#include <intelblocks/lpc_lib.h>
 #include <soc/gpio.h>
 
 void bootblock_mainboard_init(void)
@@ -11,7 +10,8 @@ void bootblock_mainboard_init(void)
 	const struct pad_config *pads, *override_pads;
 	size_t num, override_num;
 
-	lpc_configure_pads();
+	pads = mainboard_early_bootblock_gpio_table(&num);
+	gpio_configure_pads(pads, num);
 
 	/*
 	 * Perform EC init before configuring GPIOs. This is because variant

src/mainboard/google/octopus/variants/baseboard/gpio.c

@@ -292,6 +292,16 @@ const struct pad_config *__weak variant_early_override_gpio_table(size_t *num)
 	return NULL;
 }
 
+static const struct pad_config early_bootblock_gpio_table[] = {
+	PAD_NC(GPIO_154, NONE), /* LPC_CLKRUNB -- NC for eSPI */
+};
+
+const struct pad_config *mainboard_early_bootblock_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_bootblock_gpio_table);
+	return early_bootblock_gpio_table;
+}
+
 /* GPIOs needed prior to ramstage. */
 static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_GPI(GPIO_190, NONE, DEEP), /* PCH_WP_OD */

src/mainboard/google/octopus/variants/baseboard/include/baseboard/variants.h

@@ -10,6 +10,7 @@
 
 /* The next set of functions return the gpio table and fill in the number of
  * entries for each table. */
+const struct pad_config *mainboard_early_bootblock_gpio_table(size_t *num);
 const struct pad_config *variant_base_gpio_table(size_t *num);
 const struct pad_config *variant_override_gpio_table(size_t *num);
 const struct pad_config *variant_early_gpio_table(size_t *num);