soc/amd/*/include/soc/gpio: remove GPIO_2_EVENT

commit de7262f82c (soc/amd: remove special
GPIO_2 override soc_gpio_hook) removed the workaround that needed those
definitions, so remove the now unused GPIO_2_EVENT definitions.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I3f3e3061eade0e0cd25e2263451ccf6cefdc4ea4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56812
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/cezanne/include/soc/gpio.h

@@ -282,6 +282,4 @@
 #define GPIO_148_IOMUX_I2C1_SDA 0
 #define GPIO_148_IOMUX_GPIOxx 1
 
-#define GPIO_2_EVENT GEVENT_8
-
 #endif /* AMD_CEZANNE_GPIO_H */

src/soc/amd/picasso/include/soc/gpio.h

@@ -297,6 +297,4 @@
 #define GPIO_144_IOMUX_UART1_INTR 0
 #define GPIO_144_IOMUX_GPIOxx 1
 
-#define GPIO_2_EVENT GEVENT_8
-
 #endif /* AMD_PICASSO_GPIO_H */

src/soc/amd/stoneyridge/include/soc/gpio.h

@@ -289,7 +289,5 @@
 #define GPIO_148_IOMUX_I2C1_SDA 0
 #define GPIO_148_IOMUX_GPIOxx 1
 
-#define GPIO_2_EVENT GEVENT_8
-
 #endif /* __ACPI__ */
 #endif /* AMD_STONEYRIDGE_GPIO_H */