Fix and line-break build_lnx.sh (#910)
Fix and line-break build_lnx.sh (#910)

* build_lnx.sh: Fix cmake -G flag

The cmake flag for generator selection is an uppercase G.

Signed-off-by: Sven van Haastregt <c87899f97800fb9ac456b806e5f84934b5e9c197@arm.com>

* build_lnx.sh: split cmake invocation into multiple lines

One option per line makes it easier for users to maintain their local
customized copy of this script, as a single line may get very wide
when paths are filled in.

Signed-off-by: Sven van Haastregt <c87899f97800fb9ac456b806e5f84934b5e9c197@arm.com>
KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS