dm: sysinfo: Shorten the SYSINFO_ID prefix

We are about to add a large number of new entries. Update the prefix to
be a little shorter.

For SMBIOS items, use SYSID_SM_ (for System Management) which is enough
to distinguish it. For now at least, it seems that most items will be
for SMBIOS.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Raymond Mao <raymond.mao@linaro.org>
diff --git a/drivers/sysinfo/gpio.c b/drivers/sysinfo/gpio.c
index aaca318..66d2a91 100644
--- a/drivers/sysinfo/gpio.c
+++ b/drivers/sysinfo/gpio.c
@@ -38,7 +38,7 @@
 	struct sysinfo_gpio_priv *priv = dev_get_priv(dev);
 
 	switch (id) {
-	case SYSINFO_ID_BOARD_MODEL:
+	case SYSID_BOARD_MODEL:
 		*val = priv->revision;
 		return 0;
 	default:
@@ -51,7 +51,7 @@
 	struct sysinfo_gpio_priv *priv = dev_get_priv(dev);
 
 	switch (id) {
-	case SYSINFO_ID_BOARD_MODEL: {
+	case SYSID_BOARD_MODEL: {
 		const char *name = NULL;
 		int i, ret;
 		u32 revision;