Update scan-assembler-not in PR target/70155 tests

Update scan-assembler-not in PR target/70155 tests

Since PIC leads to the *movdi_internal pattern, check for nonexistence
of the *movdi_internal pattern in PR target/70155 tests only if PIC is
off.

	* gcc.target/i386/pr70155-1.c: Check for nonexistence of the
	*movdi_internal pattern only if PIC off.
	* gcc.target/i386/pr70155-2.c: Likewise.
	* gcc.target/i386/pr70155-3.c: Likewise.
	* gcc.target/i386/pr70155-4.c: Likewise.
	* gcc.target/i386/pr70155-5.c: Likewise.
	* gcc.target/i386/pr70155-6.c: Likewise.
	* gcc.target/i386/pr70155-7.c: Likewise.
	* gcc.target/i386/pr70155-8.c: Likewise.
	* gcc.target/i386/pr70155-15.c: Likewise.
	* gcc.target/i386/pr70155-17.c: Likewise.
	* gcc.target/i386/pr70155-22.c: Likewise.

From-SVN: r235647