gcc.target/i386/invariant-ternlog-1.c: Also scan (%edx)

Since x32 uses (%edx), instead of (%rdx), also scan (%edx).

	* gcc.target/i386/invariant-ternlog-1.c: Also scan (%edx).

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>