cmd: Add missing check for CONFIG_SYS_LONGHELP

Two commands are missing this check, so compilation fails when building
without CONFIG_CMDLINE. Add it.

Signed-off-by: Simon Glass <sjg@chromium.org>

cmd/acpi.c

@@ -187,10 +187,12 @@ static int do_acpi_dump(struct cmd_tbl *cmdtp, int flag, int argc,
 	return 0;
 }
 
+#ifdef CONFIG_SYS_LONGHELP
 static char acpi_help_text[] =
 	"list - list ACPI tables\n"
 	"acpi items [-d]  - List/dump each piece of ACPI data from devices\n"
 	"acpi dump <name> - Dump ACPI table";
+#endif
 
 U_BOOT_CMD_WITH_SUBCMDS(acpi, "ACPI tables", acpi_help_text,
 	U_BOOT_SUBCMD_MKENT(list, 1, 1, do_acpi_list),

cmd/bloblist.c

@@ -29,9 +29,11 @@ static int do_bloblist_list(struct cmd_tbl *cmdtp, int flag, int argc,
 	return 0;
 }
 
+#ifdef CONFIG_SYS_LONGHELP
 static char bloblist_help_text[] =
 	"info   - show information about the bloblist\n"
 	"bloblist list   - list blobs in the bloblist";
+#endif
 
 U_BOOT_CMD_WITH_SUBCMDS(bloblist, "Bloblists", bloblist_help_text,
 	U_BOOT_SUBCMD_MKENT(info, 1, 1, do_bloblist_info),