ARM: dts: stm32: update HASH1 dmas property on stm32mp157c

Remove unused parameter from HASH1 dmas property on stm32mp157c SoC.

Fixes: 1e726a4 ("ARM: dts: stm32: Add HASH support on stm32mp157c")
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
[Olof: Bug doesn't cause any harm, so shouldn't need stable backport]
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/stm32mp157c.dtsi

@@ -923,7 +923,7 @@
 			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rcc HASH1>;
 			resets = <&rcc HASH1_R>;
-			dmas = <&mdma1 31 0x10 0x1000A02 0x0 0x0 0x0>;
+			dmas = <&mdma1 31 0x10 0x1000A02 0x0 0x0>;
 			dma-names = "in";
 			dma-maxburst = <2>;
 			status = "disabled";