mb/google/oak: Clean up TPM Kconfig

Rowan was the only Oak variant that used TPM2. However, it was removed
in commit 0aa1f9e905 (google/oak: Delete rowan). Since the other three
variants use TPM1, remove now-unnecessary Kconfig options from Oak.

Change-Id: If19df00463f63f1101475f59b5ecea5a9724a9ab
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50907
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/mainboard/google/oak/Kconfig b/src/mainboard/google/oak/Kconfig
index d8986c6..7f0d8b5 100644
--- a/src/mainboard/google/oak/Kconfig
+++ b/src/mainboard/google/oak/Kconfig
@@ -5,18 +5,6 @@
 
 if BOARD_GOOGLE_OAK_COMMON
 
-config OTHERS_HAVE_TPM1
-	bool
-	default y
-	select MAINBOARD_HAS_I2C_TPM_GENERIC
-	select MAINBOARD_HAS_TPM1
-
-config OAK_HAS_TPM2
-	bool
-	default n
-	select MAINBOARD_HAS_I2C_TPM_CR50
-	select MAINBOARD_HAS_TPM2
-
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select SOC_MEDIATEK_MT8173
@@ -25,6 +13,8 @@
 	select DRIVER_PARADE_PS8640
 	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_SPI
+	select MAINBOARD_HAS_I2C_TPM_GENERIC
+	select MAINBOARD_HAS_TPM1
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select MAINBOARD_FORCE_NATIVE_VGA_INIT
 	select HAVE_LINEAR_FRAMEBUFFER
@@ -49,8 +39,7 @@
 
 config DRIVER_TPM_I2C_ADDR
 	hex
-	default 0x20 if !OAK_HAS_TPM2
-	default 0x50 if OAK_HAS_TPM2
+	default 0x20
 
 config BOOT_DEVICE_SPI_FLASH_BUS
 	int
diff --git a/src/mainboard/google/oak/bootblock.c b/src/mainboard/google/oak/bootblock.c
index 82409cf..4762a4e 100644
--- a/src/mainboard/google/oak/bootblock.c
+++ b/src/mainboard/google/oak/bootblock.c
@@ -73,9 +73,6 @@
 	/* Init i2c bus 2 Timing register for TPM */
 	mtk_i2c_bus_init(CONFIG_DRIVER_TPM_I2C_BUS);
 
-	if (CONFIG(OAK_HAS_TPM2))
-		gpio_eint_configure(CR50_IRQ, IRQ_TYPE_EDGE_RISING);
-
 	mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD1_MASK, 6*MHz,
 		     0);