mainboard/google/kahlee: Initialize EC earlier in the bootblock

Set up the EC communication a little earlier so we can read the board
ID before programming GPIOS.

BUG=b:73078053
TEST=Build & Boot grunt, board_id() now gets ID correctly

Change-Id: Icf3f598824cfed69fa03ba2bb86503bb3c3699a5
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/25286
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/kahlee/bootblock/bootblock.c

@@ -24,15 +24,16 @@ void bootblock_mainboard_early_init(void)
 {
 	size_t num_gpios;
 	const struct soc_amd_stoneyridge_gpio *gpios;
+
+	/* Enable the EC as soon as we have visibility */
+	mainboard_ec_init();
+
 	gpios = variant_early_gpio_table(&num_gpios);
 	sb_program_gpios(gpios, num_gpios);
 }
 
 void bootblock_mainboard_init(void)
 {
-	/* Enable the EC as soon as we have visibility */
-	mainboard_ec_init();
-
 	/* Setup TPM decode before verstage */
 	sb_tpm_decode_spi();