spl: add SPL_RESET_SUPPORT

Add option to include RESET driver and uclass in SPL.
That can be useful to handle IP reset with same driver
in U-Boot and in SPL.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>

common/spl/Kconfig

@@ -568,6 +568,15 @@ config SPL_POST_MEM_SUPPORT
 	  performed before booting. This enables the drivers in post/drivers
 	  as part of an SPL build.
 
+config SPL_RESET_SUPPORT
+	bool "Support reset drivers"
+	depends on SPL
+	help
+	  Enable support for reset control in SPL.
+	  That can be useful in SPL to handle IP reset in driver, as in U-Boot,
+	  by using the generic reset API provided by driver model.
+	  This enables the drivers in drivers/reset as part of an SPL build.
+
 config SPL_POWER_SUPPORT
 	bool "Support power drivers"
 	help

drivers/Makefile

@@ -29,6 +29,7 @@ obj-$(CONFIG_ARMADA_XP) += ddr/marvell/axp/
 obj-$(CONFIG_ALTERA_SDRAM) += ddr/altera/
 obj-$(CONFIG_SPL_POWER_SUPPORT) += power/ power/pmic/
 obj-$(CONFIG_SPL_POWER_SUPPORT) += power/regulator/
+obj-$(CONFIG_SPL_RESET_SUPPORT) += reset/
 obj-$(CONFIG_SPL_MTD_SUPPORT) += mtd/
 obj-$(CONFIG_SPL_ONENAND_SUPPORT) += mtd/onenand/
 obj-$(CONFIG_SPL_UBI) += mtd/ubispl/