env: Rename eth_getenv_enetaddr() to eth_env_get_enetaddr()

Rename this function for consistency with env_get().

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-davinci/misc.c b/arch/arm/mach-davinci/misc.c
index 4441242..461ff77 100644
--- a/arch/arm/mach-davinci/misc.c
+++ b/arch/arm/mach-davinci/misc.c
@@ -90,7 +90,7 @@
 	uint8_t env_enetaddr[6];
 	int ret;
 
-	ret = eth_getenv_enetaddr_by_index("eth", 0, env_enetaddr);
+	ret = eth_env_get_enetaddr_by_index("eth", 0, env_enetaddr);
 	if (!ret) {
 		/*
 		 * There is no MAC address in the environment, so we
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 64b0a51..297dc4a 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -580,7 +580,7 @@
 		return;
 
 	/* Get MAC address for the l2switch from "l2switchaddr"*/
-	if (!eth_getenv_enetaddr("l2switchaddr", l2swaddr)) {
+	if (!eth_env_get_enetaddr("l2switchaddr", l2swaddr)) {
 		printf("Warning: MAC address for l2switch not found\n");
 		memset(l2swaddr, 0, sizeof(l2swaddr));
 	}