pinctrl: PINCTRL_AMDISP should depend on DRM_AMD_ISP

The AMD Image Signal Processor GPIO pin control functionality is only
present on AMD platforms with ISP support, and its platform device is
instantiated by the AMD ISP driver.  Hence add a dependency on
DRM_AMD_ISP, to prevent asking the user about this driver when
configuring a kernel that does not support the AMD ISP.

Fixes: e97435a ("pinctrl: amd: isp411: Add amdisp GPIO pinctrl")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/3685561e8e3cd1d94bce220eeb6001d659da615c.1742306024.git.geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: geertu

drivers/pinctrl/Kconfig

@@ -51,6 +51,7 @@ config PINCTRL_AMD
 
 config PINCTRL_AMDISP
 	tristate "AMDISP GPIO pin control"
+	depends on DRM_AMD_ISP || COMPILE_TEST
 	depends on HAS_IOMEM
 	select GPIOLIB
 	select PINCONF