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/include/net.h b/include/net.h
index d7ff068..495f60e 100644
--- a/include/net.h
+++ b/include/net.h
@@ -365,8 +365,10 @@
 
 extern int		NetRestartWrap;		/* Tried all network devices	*/
 
-typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
-	       TFTPSRV } proto_t;
+enum proto_t {
+	BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
+	TFTPSRV
+};
 
 /* from net/net.c */
 extern char	BootFile[128];			/* Boot File name		*/
@@ -392,7 +394,7 @@
 #endif
 
 /* Initialize the network adapter */
-extern int	NetLoop(proto_t);
+extern int NetLoop(enum proto_t);
 
 /* Shutdown adapters and cleanup */
 extern void	NetStop(void);