ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcom-som

ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcom-som

[ Upstream commit 21d83512bf2bd25ebed467151fd2bcd0cca7dc9a ]

Chip select pinctrl phandle was missing in several stm32mp15x based boards.

Fixes: 92bac886d66d ("ARM: dts: stm32: Create separate pinmux for qspi cs pin in stm32mp15-pinctrl.dtsi")
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>