[llvm-readobj,test] Test R_AARCH64_AUTH_{ABS64,RELATIVE} (#86511)

Add missing tests for AUTH relocs defined in #74874

Author: kovdan01

llvm/test/tools/llvm-readobj/ELF/reloc-types-aarch64.test

@@ -119,6 +119,7 @@
 # CHECK: Type: R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC (571)
 # CHECK: Type: R_AARCH64_TLSLD_LDST128_DTPREL_LO12 (572)
 # CHECK: Type: R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC (573)
+# CHECK: Type: R_AARCH64_AUTH_ABS64 (580)
 # CHECK: Type: R_AARCH64_COPY (1024)
 # CHECK: Type: R_AARCH64_GLOB_DAT (1025)
 # CHECK: Type: R_AARCH64_JUMP_SLOT (1026)
@@ -128,6 +129,7 @@
 # CHECK: Type: R_AARCH64_TLS_TPREL64 (1030)
 # CHECK: Type: R_AARCH64_TLSDESC (1031)
 # CHECK: Type: R_AARCH64_IRELATIVE (1032)
+# CHECK: Type: R_AARCH64_AUTH_RELATIVE (1041)
 
 --- !ELF
 FileHeader:
@@ -254,6 +256,7 @@ Sections:
       - Type: R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC
       - Type: R_AARCH64_TLSLD_LDST128_DTPREL_LO12
       - Type: R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC
+      - Type: R_AARCH64_AUTH_ABS64
       - Type: R_AARCH64_COPY
       - Type: R_AARCH64_GLOB_DAT
       - Type: R_AARCH64_JUMP_SLOT
@@ -263,3 +266,4 @@ Sections:
       - Type: R_AARCH64_TLS_TPREL64
       - Type: R_AARCH64_TLSDESC
       - Type: R_AARCH64_IRELATIVE
+      - Type: R_AARCH64_AUTH_RELATIVE