[PS4,PS5][Driver] Check for absent SDK when -nostdlib/-nodefaultlibs (#107112)

The PlayStation drivers emit warnings if it looks like SDK libraries are
missing. Until this point, the check was skipped when either `-nostdlib`
or `-nodefaultlibs` was supplied. I believe the idea is that if you
aren't linking default libraries, you won't be in need of the SDK.

However, in a situation where these switches are supplied, users may
still want to pass `-lSomeSDKLib` to the driver/linker with the
expectation that libSomeSDKLib.a will be sourced from the SDK. That is,
`-nodefaultlibs` and `-nostdlib` affect the libraries passed to the
linker, but not the library search paths.

So this change removes `-nostdlib`/`-nodefaultlibs` from consideration
when deciding whether or not to probe for the SDK's existence.

N.B. complete behaviour for `-nostdlib` and `-nodefaultlibs` is yet to
be added to the PlayStation compiler drivers. Coming soon.

SIE tracker: TOOLCHAIN-16704

0 files changed, 0 insertions, 0 deletions