[BUG] build error due to AGILEX_NAND_X_CLK

[Chunfeng Yun]

Hi Dinh,

   There is build error for arm64:
arch/arm64/boot/dts/intel/socfpga_agilex.dtsi:313.15-16 syntax error
FATAL ERROR: Unable to parse input tree

it's introduced by patch:

commit d4ae4dd346cd49302d157b129ead2f60d3a82534
Author: Dinh Nguyen <dinguyen at kernel.org>
Date:   Tue Jun 30 13:44:37 2020 -0500

    arm64: dts: agilex: add nand clocks

    Add the clock properties for the NAND dts node.

    Signed-off-by: Dinh Nguyen <dinguyen at kernel.org>

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index e300330..ac1b242 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -309,6 +309,10 @@
                              <0xffb80000 0x1000>;
                        reg-names = "nand_data", "denali_reg";
                        interrupts = <0 97 4>;
+                       clocks = <&clkmgr AGILEX_NAND_CLK>,
+                                <&clkmgr AGILEX_NAND_X_CLK>,
+                                <&clkmgr AGILEX_NAND_ECC_CLK>;
+                       clock-names = "nand", "nand_x", "ecc";
                        resets = <&rst NAND_RESET>, <&rst
NAND_OCP_RESET>;
                        status = "disabled";
                };