More support for ld --hash-style in the ld testsuite
    
    These were discovered when running --hash-style=gnu as default, the
    previous batch being --hash-style=both.
    
    	* testsuite/ld-aarch64/ifunc-1-local.d: Run ld with --hash-style=sysv.
    	* testsuite/ld-aarch64/ifunc-2-local.d: Likewise.
    	* testsuite/ld-aarch64/ifunc-3a.d: Likewise.
    	* testsuite/ld-frv/fdpic-pie-1.d: Likewise.
    	* testsuite/ld-frv/fdpic-pie-2.d: Likewise.
    	* testsuite/ld-frv/fdpic-pie-7.d: Likewise.
    	* testsuite/ld-frv/fdpic-pie-8.d: Likewise.
    	* testsuite/ld-arm/arm-elf.exp: Add --hash-style=sysv to "Using
    	Thumb lib by another lib" test's ld options.
    	* testsuite/ld-elf/note-3.l: Match .gnu.hash.
    	* testsuite/ld-elf/note-3.t: Add .gnu.hash output section.