cleanup: fix pgio -> gpio typo
BRANCH=none
TEST=none
/* Included shimed version of gpio signal. */
#include <gpio_signal.h>
-/* Include board specific gpio mapping/aliases if named_pgios node exists */
+/* Include board specific gpio mapping/aliases if named_gpios node exists */
#if DT_NODE_EXISTS(DT_PATH(named_gpios))
#include <gpio_map.h>
#endif
