Fixes
* 100 - Fix issues found LGTM
* 101 - oelint.oelint_vars_machinespecific fp for PACKAGES related var
* 102 - oelint.oelint_vars_machinespecific fp
* 103 - oelint.oelint_vars_duplicate fp
* 104 - oelint.oelint_vars_spacesassignment fp
* 105 - oelint.oelint_vars_machinespecific fp
* 106 - oelint.oelint_vars_pnbpnusage fp
* 107 - oelint.oelint_vars_spacesassignment fp