RISC-V: Fixed more testcases for --with-arch and --with-abi

Same as cabae1c

Author: Nelson Chu

gas/testsuite/gas/riscv/attribute-11.s

@@ -1,3 +1,4 @@
 	# The csr is explicit used, so we need to generate the priv spec
 	# attributes even if the attributes are not set.
+	.option arch, +zicsr
 	csrr a0, 0x0

gas/testsuite/gas/riscv/csr-fail-nonexistent.s

@@ -1 +1,2 @@
+	.option arch, +zicsr
 	csrr a0, nonexistent

gas/testsuite/gas/riscv/fmv.x.s

@@ -1,3 +1,4 @@
+.option arch, +f
 fmv.x.w a2, fs7
 fmv.x.s a2, fs7
 fmv.w.x ft1, a6

gas/testsuite/gas/riscv/fsxxi.s

@@ -1,3 +1,4 @@
+	.option arch, +f
 	fsrmi x10, 0x1f
 	fsrmi 0x1e
 	fsflagsi x14, 0x1d

ld/testsuite/ld-riscv-elf/shared-lib-nopic-02.d

@@ -1,4 +1,4 @@
 #source: shared-lib-nopic-02.s
 #as:
 #ld: -shared
-#error: .*relocation R_RISCV_JAL against `foo_default' which may bind externally can not be used when making a shared object; recompile with -fPIC
+#error: .*relocation (R_RISCV_RVC_JUMP|R_RISCV_JAL) against `foo_default' which may bind externally can not be used when making a shared object; recompile with -fPIC