Consistently use the STATIC_COMMAND macro every time we define a console command.

platform/zynq/gpio.c

Index: platform/zynq/gpio.c
diff --git a/platform/zynq/gpio.c b/platform/zynq/gpio.c
index 91e2e82da9fcf0baf2a2978d8fafdb7da0583e13..1f0412c84915ca3c13781d0074ae4ad669b89dda 100644
--- a/platform/zynq/gpio.c
+++ b/platform/zynq/gpio.c
@@ -277,7 +277,7 @@ static int cmd_zynq_gpio(int argc, const cmd_args *argv)
 }
 STATIC_COMMAND_START
 #if LK_DEBUGLEVEL > 1
-{ "zynq_gpio", "Dump Zynq GPIO registers", &cmd_zynq_gpio },
+STATIC_COMMAND("zynq_gpio", "Dump Zynq GPIO registers", &cmd_zynq_gpio)
 #endif
 STATIC_COMMAND_END(zynq_gpio);