.gitignore: ignore Module.symvers in all directories

When using `make M=/path/to/driver modules` to build a module, file
Module.symvers will be created in that directory, so it's better to
ignore it in all directories.

Slightly reordered, let specific file names behind general ones.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Kyungsik Lee <kyungsik.lee@lge.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

.gitignore

@@ -22,7 +22,6 @@
 *.lst
 *.symtypes
 *.order
-modules.builtin
 *.elf
 *.bin
 *.gz
@@ -33,6 +32,8 @@ modules.builtin
 *.lzo
 *.patch
 *.gcno
+modules.builtin
+Module.symvers
 
 #
 # Top-level generic files
@@ -44,7 +45,6 @@ modules.builtin
 /vmlinuz
 /System.map
 /Module.markers
-/Module.symvers
 
 #
 # Debian directory (make deb-pkg)