efi_loader: efidebug.c function documentation

make htmldocs produces a warning:
./cmd/efidebug.c:733: WARNING: Unexpected indentation.
Correct the indentation.

Remove 'See above for details of sub-commands.' which is not helpful in the
Sphinx generated documentation.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/cmd/efidebug.c b/cmd/efidebug.c
index 02dc491..961e8fa 100644
--- a/cmd/efidebug.c
+++ b/cmd/efidebug.c
@@ -729,7 +729,8 @@
  *
  * Implement efidebug "boot dump" sub-command.
  * Dump information of all UEFI load options defined.
- *   - boot dump
+ *
+ *     efidebug boot dump
  */
 static int do_efi_boot_dump(cmd_tbl_t *cmdtp, int flag,
 			    int argc, char * const argv[])
@@ -1013,7 +1014,6 @@
  *		CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
  *
  * Implement efidebug "boot" sub-command.
- * See above for details of sub-commands.
  */
 static int do_efi_boot_opt(cmd_tbl_t *cmdtp, int flag,
 			   int argc, char * const argv[])
@@ -1059,7 +1059,6 @@
  *
  * Implement efidebug command which allows us to display and
  * configure UEFI environment.
- * See above for details of sub-commands.
  */
 static int do_efidebug(cmd_tbl_t *cmdtp, int flag,
 		       int argc, char * const argv[])