debian: fix copyright format and exclude VCS files

debian/copyright

@@ -1,15 +1,12 @@
 Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Upstream-Name: AudioReach-kernel
-Source: https://github.com/qualcomm-linux/audioreach-kernel
+Upstream-Name: audioreach-kernel
+Source: https://github.com/AudioReach/audioreach-kernel
 
 Files: *
-Copyright: Qualcomm Technologies, Inc. and/or its subsidiaries.
+Copyright: 2024 Qualcomm Technologies, Inc. and/or its subsidiaries.
 License: GPL-2.0-only
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 and
- only version 2 as published by the Free Software Foundation.
 
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- GNU General Public License for more details.
+License: GPL-2.0-only
+ On Debian systems, the full text of the GNU General Public License
+ version 2 can be found in:
+ /usr/share/common-licenses/GPL-2

debian/rules

@@ -13,6 +13,7 @@ override_dh_install:
 		-path ./.pc -prune -o \
 		-path ./.git -prune -o \
 		-path ./.github -prune -o \
+		-name ".gitignore" -prune -o \
 		-print0 | cpio -0p $(DKMS_STAGED)/
 	dh_install