libvpx

Adjust icc compiler options

"-no-prec-div" option helps codec performance, so it was added back.
"-no-intel-extensions" was added to suppress link warning #10237.
option '-use-asm' is deprecated and removed.

Tested icc 32bit build and 64bit build.

Change-Id: I736ec2619857efd425ef76338dc52f8fbc0bcc7e