Change default common-page-size to 64K on aarch64.  This enables the use
of RELRO since we are using 64K pages.

Index: binutils-2.41/bfd/elfnn-aarch64.c
===================================================================
--- binutils-2.41.orig/bfd/elfnn-aarch64.c	2023-07-03 01:00:00.000000000 +0200
+++ binutils-2.41/bfd/elfnn-aarch64.c	2023-08-16 16:31:51.238779641 +0200
@@ -10251,7 +10251,7 @@ const struct elf_size_info elfNN_aarch64
 #define ELF_ARCH			bfd_arch_aarch64
 #define ELF_MACHINE_CODE		EM_AARCH64
 #define ELF_MAXPAGESIZE			0x10000
-#define ELF_COMMONPAGESIZE		0x1000
+#define ELF_COMMONPAGESIZE		0x10000
 
 #define bfd_elfNN_bfd_free_cached_info		\
   elfNN_aarch64_bfd_free_cached_info
Index: binutils-2.41/gold/aarch64.cc
===================================================================
--- binutils-2.41.orig/gold/aarch64.cc	2023-07-03 01:00:00.000000000 +0200
+++ binutils-2.41/gold/aarch64.cc	2023-08-16 16:28:35.959450565 +0200
@@ -3555,7 +3555,7 @@ const Target::Target_info Target_aarch64
   "/lib/ld.so.1",	// program interpreter
   0x400000,		// default_text_segment_address
   0x10000,		// abi_pagesize (overridable by -z max-page-size)
-  0x1000,		// common_pagesize (overridable by -z common-page-size)
+  0x10000,		// common_pagesize (overridable by -z common-page-size)
   false,                // isolate_execinstr
   0,                    // rosegment_gap
   elfcpp::SHN_UNDEF,	// small_common_shndx
@@ -3584,7 +3584,7 @@ const Target::Target_info Target_aarch64
   "/lib/ld.so.1",	// program interpreter
   0x400000,		// default_text_segment_address
   0x10000,		// abi_pagesize (overridable by -z max-page-size)
-  0x1000,		// common_pagesize (overridable by -z common-page-size)
+  0x10000,		// common_pagesize (overridable by -z common-page-size)
   false,                // isolate_execinstr
   0,                    // rosegment_gap
   elfcpp::SHN_UNDEF,	// small_common_shndx
@@ -3613,7 +3613,7 @@ const Target::Target_info Target_aarch64
   "/lib/ld.so.1",	// program interpreter
   0x400000,		// default_text_segment_address
   0x10000,		// abi_pagesize (overridable by -z max-page-size)
-  0x1000,		// common_pagesize (overridable by -z common-page-size)
+  0x10000,		// common_pagesize (overridable by -z common-page-size)
   false,                // isolate_execinstr
   0,                    // rosegment_gap
   elfcpp::SHN_UNDEF,	// small_common_shndx
@@ -3642,7 +3642,7 @@ const Target::Target_info Target_aarch64
   "/lib/ld.so.1",	// program interpreter
   0x400000,		// default_text_segment_address
   0x10000,		// abi_pagesize (overridable by -z max-page-size)
-  0x1000,		// common_pagesize (overridable by -z common-page-size)
+  0x10000,		// common_pagesize (overridable by -z common-page-size)
   false,                // isolate_execinstr
   0,                    // rosegment_gap
   elfcpp::SHN_UNDEF,	// small_common_shndx