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/sandbox.h b/drivers/sysinfo/sandbox.h
index d9c5804..a7cbac0 100644
--- a/drivers/sysinfo/sandbox.h
+++ b/drivers/sysinfo/sandbox.h
@@ -5,7 +5,7 @@
  */
 
 enum {
-	BOOL_CALLED_DETECT = SYSINFO_ID_USER,
+	BOOL_CALLED_DETECT = SYSID_USER,
 	INT_TEST1,
 	INT_TEST2,
 	STR_VACATIONSPOT,