arm64: zynqmp: Change spi-max-frequency for qspi mini

Change mini u-boot qspi spi-max-frequency to 108Mhz, make the
frequency similar to full u-boot qspi flash spi-max-frequency.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-mini-qspi.dts b/arch/arm/dts/zynqmp-mini-qspi.dts
index c523e81..a76e640 100644
--- a/arch/arm/dts/zynqmp-mini-qspi.dts
+++ b/arch/arm/dts/zynqmp-mini-qspi.dts
@@ -70,7 +70,7 @@
 		reg = <0x0>;
 		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <4>;
-		spi-max-frequency = <10000000>;
+		spi-max-frequency = <108000000>;
 	};
 };