[U-Boot] [PATCH] spl: Introduce SPL_DM_GPIO Kconfig define

[Lukasz Majewski]

This define indicates if DM_GPIO shall be supported in SPL. This allows
proper operation of DM converted GPIO drivers in SPL, which use
#if !CONFIG_IS_ENABLED(DM_GPIO) to also support not yet DM/DTS converted
boards.

Signed-off-by: Lukasz Majewski <lukma at denx.de>
---

 common/spl/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 5b7667ea16..7c3391cabe 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -458,6 +458,12 @@ config SPL_DMA_SUPPORT
 	  the CPU moving the data. Enable this option to build the drivers
 	  in drivers/dma as part of an SPL build.
 
+config SPL_DM_GPIO
+	bool "Support Driver Model GPIO drivers"
+	depends on SPL_GPIO_SUPPORT
+	help
+	  Enable support for Driver Model based GPIO drivers in SPL.
+
 config SPL_DRIVERS_MISC_SUPPORT
 	bool "Support misc drivers"
 	help
-- 
2.11.0