net: tftpput: Rename TFTP to TFTPGET

This is a better name for this protocol. Also remove the typedef to keep
checkpatch happy, and move zeroing of NetBootFileXferSize a little
earlier since TFTPPUT will need to change this.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/cmd_net.c b/common/cmd_net.c
index 872f4a6..f610385 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -28,7 +28,7 @@
 #include <command.h>
 #include <net.h>
 
-static int netboot_common (proto_t, cmd_tbl_t *, int , char * const []);
+static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
 
 int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
@@ -43,7 +43,7 @@
 
 int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	return netboot_common (TFTP, cmdtp, argc, argv);
+	return netboot_common(TFTPGET, cmdtp, argc, argv);
 }
 
 U_BOOT_CMD(
@@ -167,8 +167,8 @@
 #endif
 }
 
-static int
-netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char * const argv[])
+static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
+		char * const argv[])
 {
 	char *s;
 	char *end;