gpios_to_zephyr_dts: drop IOEX during conversion
Drop IOEX and IOEX_INT macros during GPIO conversion.
BRANCH=none
TEST=run for guybrush
maybe_parens(strip_zero_ors(#opts)), #name);
#define PIN(A, B) "gpio" #A " " #B
#define ALTERNATE(...)
+#define IOEX(...)
+#define IOEX_INT(...)
/* Strip out " | 0" and "0 | " from a string */
static char *strip_zero_ors(const char *s)
