Turn off LED matrix by default

keyboards/ergodox/infinity/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c

@@ -173,7 +173,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
     }
 
     // software shutdown disable (i.e. turn stuff on)
-    write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
+    write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
     gfxSleepMilliseconds(10);
 
     // Finish Init
@@ -183,7 +183,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
 	g->g.Orientation = GDISP_ROTATE_0;
-	g->g.Powermode = powerOn;
+	g->g.Powermode = powerOff;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
 	return TRUE;