Fix kernel version generation

The generated version number in hex was incorrect and macros
were failing.
We also did not convert decimals to hex before we created the hex
version number.

Change-Id: Ic5b8d4a40d907f09cf4184e84f0ce89a4532a9b5
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
1 file changed