package/git: indicate that license file hashes are locally calculated

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/git/git.hash

@@ -1,4 +1,5 @@
 # From: https://www.kernel.org/pub/software/scm/git/sha256sums.asc
 sha256  6d65132471df9e531807cb2746f8be317e22a343b9385bbe11c9ce7f0d2fc848  git-2.26.2.tar.xz
+# Locally calculated
 sha256  5b2198d1645f767585e8a88ac0499b04472164c0d2da22e75ecf97ef443ab32e  COPYING
 sha256  1922f45d2c49e390032c9c0ba6d7cac904087f7cec51af30c2b2ad022ce0e76a  LGPL-2.1