[gpio][u-boot] Add pca9535 GPIO expander support to U-Boot
Enabled PCA953x GPIO expander driver in defconfig. Added two instances of expanders to I2C4 bus. Removed USB Type-C from I2C4. Added line name for SATA->M2 switch control in U-Boot device tree.
Signed-off-by: Sakhar Andrey andrey.sahar@edws.tech