package/at: format hash file according to two spaces guideline

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/at/at.hash

@@ -1,5 +1,5 @@
 # Locally calculated
-sha256 9ae5761a1fb897cda3a6f14439bed33cda33c0eedfcee6866e3d2ebad67fbd2f  at-7c74fa1aece6bc6db351763dc012193d5d634b7e.tar.gz
+sha256  9ae5761a1fb897cda3a6f14439bed33cda33c0eedfcee6866e3d2ebad67fbd2f  at-7c74fa1aece6bc6db351763dc012193d5d634b7e.tar.gz
 
-sha256 01dccc0975aa9ba1a9f83e7c5e04f16077353d3c72a0a759b8846ee7a5b2b616  Copyright
-sha256 c38aee9e3c8c4d5d594ff548a1be05453023016d6286931f6512db215ec1fd42  COPYING
+sha256  01dccc0975aa9ba1a9f83e7c5e04f16077353d3c72a0a759b8846ee7a5b2b616  Copyright
+sha256  c38aee9e3c8c4d5d594ff548a1be05453023016d6286931f6512db215ec1fd42  COPYING