device-drivers: add makefile to build drivers

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
device-drivers: include device-drivers directory to the LTP build

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
device-drivers: rtc: minor updates

Makefile updated.
Added .gitignore file.
Added root check and rtc device check.

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
device-drivers: rename rtc-test to rtc01

So that the binary name matches the test name (TCID).

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
device-drivers: rtc: enable the test to build and run

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>