net: cosmetic: Change IPaddr_t to struct in_addr

This patch is simply clean-up to make the IPv4 type that is used match
what Linux uses. It also attempts to move all variables that are IP
addresses use good naming instead of CamelCase. No functional change.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/test/dm/eth.c b/test/dm/eth.c
index 1923670..22fd26e 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -20,7 +20,7 @@
 
 static int dm_test_eth(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 
 	setenv("ethact", "eth@10002000");
 	ut_assertok(NetLoop(PING));
@@ -40,7 +40,7 @@
 
 static int dm_test_eth_alias(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 	setenv("ethact", "eth0");
 	ut_assertok(NetLoop(PING));
 	ut_asserteq_str("eth@10002000", getenv("ethact"));
@@ -64,7 +64,7 @@
 
 static int dm_test_eth_prime(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 
 	/* Expected to be "eth@10003000" because of ethprime variable */
 	setenv("ethact", NULL);
@@ -87,7 +87,7 @@
 	char ethaddr[18];
 
 	/* Invalidate eth1's MAC address */
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 	strcpy(ethaddr, getenv("eth1addr"));
 	setenv("eth1addr", NULL);
 
@@ -126,7 +126,7 @@
 
 static int dm_test_net_retry(struct dm_test_state *dms)
 {
-	NetPingIP = string_to_ip("1.1.2.2");
+	net_ping_ip = string_to_ip("1.1.2.2");
 
 	/*
 	 * eth1 is disabled and netretry is yes, so the ping should succeed and