[PATCH] arm: socfpga: gen5: Enable cache driver in SPL

[Ley Foon Tan]

Adding "u-boot,dm-pre-reloc" and enable CONFIG_SPL_CACHE
to enable cache driver in SPL.

This fixed error below in SPL:
cache controller driver NOT found!

Signed-off-by: Ley Foon Tan <ley.foon....@intel.com>
---
 arch/arm/dts/socfpga-common-u-boot.dtsi | 4 ++++
 arch/arm/mach-socfpga/Kconfig           | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/dts/socfpga-common-u-boot.dtsi 
b/arch/arm/dts/socfpga-common-u-boot.dtsi
index d55460755fe3..f65aca6ebaba 100644
--- a/arch/arm/dts/socfpga-common-u-boot.dtsi
+++ b/arch/arm/dts/socfpga-common-u-boot.dtsi
@@ -14,6 +14,10 @@
        u-boot,dm-pre-reloc;
 };
 
+&L2 {
+       u-boot,dm-pre-reloc;
+};
+
 &rst {
        u-boot,dm-pre-reloc;
 };
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index a3699e82a19e..1173422b8f28 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -67,6 +67,7 @@ config TARGET_SOCFPGA_CYCLONE5
 config TARGET_SOCFPGA_GEN5
        bool
        select SPL_ALTERA_SDRAM
+       select SPL_CACHE if SPL
        imply FPGA_SOCFPGA
        imply SPL_SIZE_LIMIT_SUBTRACT_GD
        imply SPL_SIZE_LIMIT_SUBTRACT_MALLOC
-- 
2.19.0