solana: remove dependence on dos2unix utility

Removing the dependence on the dos2unix tool should make solana
builds complete in its absence, according to my tests. No adverse
side-effects were noted.

Change-Id: Ic069ba64832d833751a13bda0eaad6f9609feaf6
Merge "solana: remove dependence on dos2unix utility" into cm-10.1