Update links to the git repo

Signed-off-by: Ondřej Lysoněk <olysonek@redhat.com>

doc/git

@@ -9,7 +9,7 @@ using git. The git repository is only used for user-space tools.
 We presume that you have git installed on your machine. To check out a
 working copy of the code for this project use the following command:
 
-git clone https://github.com/groeck/lm-sensors.git
+git clone https://github.com/lm-sensors/lm-sensors.git
 
 To update the code, do a git pull from within the lm-sensors directory.
 Please read the README and INSTALL files of your working copy for how

doc/progs

@@ -6,7 +6,7 @@ These programs are generally small utilities used for debugging,
 and installation of the lm_sensors package, and for demonstrating
 the use of the drivers and libraries in this package.
 For more elaborate programs (for example, GUI sensor displays),
-see https://github.com/groeck/lm-sensors/
+see https://github.com/lm-sensors/lm-sensors/
     http://sensors-applet.sourceforge.net/
     https://01.org/powertop/
     https://wpitchoune.net/psensor/