x86: zboot: Rename zboot_start() to zboot_run()

The term 'start' is used withint bootm and zboot to indicate the first
phase of booting an image.

Since zboot_start() does the whole boot, rename it to zboot_run() to
align with bootm_run() etc.

Fix a log message while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index b72e2f0..e8a1849 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -437,8 +437,8 @@
 	return ret;
 }
 
-int zboot_start(ulong addr, ulong size, ulong initrd, ulong initrd_size,
-		ulong base, char *cmdline)
+int zboot_run(ulong addr, ulong size, ulong initrd, ulong initrd_size,
+	      ulong base, char *cmdline)
 {
 	int ret;
 
@@ -463,7 +463,7 @@
 		return log_msg_ret("set", ret);
 	ret = zboot_go();
 	if (ret)
-		return log_msg_ret("set", ret);
+		return log_msg_ret("go", ret);
 
 	return -EFAULT;
 }
diff --git a/boot/bootmeth_cros.c b/boot/bootmeth_cros.c
index cd72db8..f015f2e 100644
--- a/boot/bootmeth_cros.c
+++ b/boot/bootmeth_cros.c
@@ -432,9 +432,9 @@
 	}
 
 	if (IS_ENABLED(CONFIG_X86)) {
-		ret = zboot_start(map_to_sysmem(bflow->buf), bflow->size, 0, 0,
-				  map_to_sysmem(bflow->x86_setup),
-				  bflow->cmdline);
+		ret = zboot_run(map_to_sysmem(bflow->buf), bflow->size, 0, 0,
+				map_to_sysmem(bflow->x86_setup),
+				bflow->cmdline);
 	} else {
 		ret = bootm_boot_start(map_to_sysmem(bflow->buf),
 				       bflow->cmdline);
diff --git a/include/bootm.h b/include/bootm.h
index 10a1bd6..a9069d7 100644
--- a/include/bootm.h
+++ b/include/bootm.h
@@ -137,7 +137,7 @@
 int bootm_process_cmdline_env(int flags);
 
 /**
- * zboot_start() - Boot a zimage
+ * zboot_run() - Run through the various steps to boot a zimage
  *
  * Boot a zimage, given the component parts
  *
@@ -150,8 +150,8 @@
  * @cmdline: Command line to use for booting
  * Return: -EFAULT on error (normally it does not return)
  */
-int zboot_start(ulong addr, ulong size, ulong initrd, ulong initrd_size,
-		ulong base, char *cmdline);
+int zboot_run(ulong addr, ulong size, ulong initrd, ulong initrd_size,
+	      ulong base, char *cmdline);
 
 /*
  * zimage_get_kernel_version() - Get the version string from a kernel