Introduce a GPIO mux mode macro for easier readability. All K3 devices
use mux mode 7 to switch to GPIO mux and this allows the gpio-ranges to
be defined for pinctrl-single clearly.
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20240627162539.691223-2-nm@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>