Revert "t1001: fix missing gpio expander"

...1-som-minimal/kernel/stm32mp157c-t1001-som-minimal-mx.dts

...-minimal/DeviceTree/t1001-som-minimal/tf-a/stm32mp15-mx.h

...001-som-minimal/tf-a/stm32mp157c-t1001-som-minimal-mx.dts

...inimal/DeviceTree/t1001-som-minimal/u-boot/stm32mp15-mx.h

...nimal/u-boot/stm32mp157c-t1001-som-minimal-mx-u-boot.dtsi

...1-som-minimal/u-boot/stm32mp157c-t1001-som-minimal-mx.dts

conf/machine/cubemx/t1001-som-minimal/t1001-som-minimal.ioc

...mware-a/tf-a-stm32mp/stm32mp157c-t1001-som-minimal-mx.dts

...u-boot/u-boot-stm32mp/arch/arm/dts/stm32mp-som-t1001.dtsi

...arch/arm/dts/stm32mp157c-t1001-som-minimal-mx-u-boot.dtsi

...stm32mp/arch/arm/dts/stm32mp157c-t1001-som-minimal-mx.dts

recipes-kernel/linux/linux-stm32mp/stm32mp-som-t1001.dtsi

.../linux/linux-stm32mp/stm32mp157c-t1001-som-minimal-mx.dts