test: merge ARM relocations test

There is a fair number of relocations that are part of the AAELF specification.
Simply merge the tests into a single test file, otherwise, we will end up with
far too many test files to test each relocation type.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225576 91177308-0d34-0410-b5e6-96231b3b80d8

test/MC/ARM/reloc-abs16.s → test/MC/ARM/arm-elf-relocations.s

@@ -5,11 +5,25 @@
 
 	.syntax unified
 
+	.section .text.r_arm_abs8
+
+	.byte abs8_0 -128
+	.byte abs8_1 +255
+
+@ CHECK: Relocations {
+@ CHECK:   Section {{.*}} .rel.text.r_arm_abs8 {
+@ CHECK:     0x0 R_ARM_ABS8 abs8_0 0x0
+@ CHECK:     0x1 R_ARM_ABS8 abs8_1 0x0
+@ CHECK:   }
+@ CHECK: }
+
+	.section .text.r_arm_abs16
+
 	.short abs16_0 -32768
 	.short abs16_1 +65535
 
 @ CHECK: Relocations {
-@ CHECK:   Section (2) .rel.text {
+@ CHECK:   Section {{.*}} .rel.text.r_arm_abs16 {
 @ CHECK:     0x0 R_ARM_ABS16 abs16_0 0x0
 @ CHECK:     0x2 R_ARM_ABS16 abs16_1 0x0
 @ CHECK:   }