Clean up linker patches in codegens.

In preparation for introducing boot image extension, make
sure that we can use both kBootImageLinkTimePcRelative and
kBootImageRelRo load kinds at the same time.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: aosp_taimen-userdebug boots
Test: run-gtests.sh
Test: testrunner.py --target --optimizing
Change-Id: I340f2d7d19e1c20699b37b0304d2e487d497da98
diff --git a/compiler/optimizing/code_generator_arm_vixl.h b/compiler/optimizing/code_generator_arm_vixl.h
index 28dea3d..6cd0bd1 100644
--- a/compiler/optimizing/code_generator_arm_vixl.h
+++ b/compiler/optimizing/code_generator_arm_vixl.h
@@ -870,8 +870,7 @@
 
   ArmVIXLAssembler assembler_;
 
-  // PC-relative method patch info for kBootImageLinkTimePcRelative/kBootImageRelRo.
-  // Also used for type/string patches for kBootImageRelRo (same linker patch as for methods).
+  // PC-relative method patch info for kBootImageLinkTimePcRelative.
   ArenaDeque<PcRelativePatchInfo> boot_image_method_patches_;
   // PC-relative method patch info for kBssEntry.
   ArenaDeque<PcRelativePatchInfo> method_bss_entry_patches_;
@@ -883,8 +882,9 @@
   ArenaDeque<PcRelativePatchInfo> boot_image_string_patches_;
   // PC-relative String patch info for kBssEntry.
   ArenaDeque<PcRelativePatchInfo> string_bss_entry_patches_;
-  // PC-relative patch info for IntrinsicObjects.
-  ArenaDeque<PcRelativePatchInfo> boot_image_intrinsic_patches_;
+  // PC-relative patch info for IntrinsicObjects for the boot image,
+  // and for method/type/string patches for kBootImageRelRo otherwise.
+  ArenaDeque<PcRelativePatchInfo> boot_image_other_patches_;
   // Patch info for calls to entrypoint dispatch thunks. Used for slow paths.
   ArenaDeque<PatchInfo<vixl::aarch32::Label>> call_entrypoint_patches_;
   // Baker read barrier patch info.