Synchronize config.sub and config.guess with their upstream master versions.

Brings in:
commit 28ea239c53a2d5d8800c472bc2452eaa16e37af2    config.sub: Remove windows-gnu
commit a6976af01b0c6206561782183a0db42124b19f7b    config.sub: recognise ARM64EC machine type
commit 4e60c54be77f743ff8018ab58fb36fd8bc055e2a    config.sub: allow aarch64c-unknown-freebsd
commit e4786449e1c26716e3f9ea182caf472e4dbc96e0    config.guess: invoke "uname -p" from PATH for non-arm FreeBSD
commit 021155df7fad97a5ae1baa354e15a03ea14500b4    config.guess: Detect Android (as opposed to GNU/Linux)
commit 6c78704d542cebfb56d17474fe9f8395e9defb94    config.sub: add javascript-*-ghcjs
commit 2a7c4b64d4aec5c3a8a975625f0f8c369d365667    testsuite: add coverage for vendor-clobbering
commit 39c49ea712cba8ae6613ef85ab22fe7c552b48b0    config.sub: Systematize parsing of machine code formats
commit d4e37b5868ef910e3e52744c34408084bb13051c    config.sub: Handle arbitrary MIPS CPU names
commit af8d803a82436779d35ea389888788c78677804e    config.guess (aarch64:Linux:*:*): Detect 32-bit ABI
commit 602766470c886df7ae07bcfd7dcf532f0783d3e0    Add KVX MPPA detection
commit be68d790b6bc7dd84982fa6760f1448e92849e63    config.sub: Add Apple tvOS and watchOS
commit 998ba1414387b4ce1a519be234e1609bc7912e0c    config.sub: Accept $cpu-$vendor-none-{coff,elf}

Author: nickclifton

config.guess

@@ -4,7 +4,7 @@
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
-timestamp='2023-06-23'
+timestamp='2023-08-22'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -155,6 +155,9 @@ Linux|GNU|GNU/*)
 
 	set_cc_for_build
 	cat <<-EOF > "$dummy.c"
+	#if defined(__ANDROID__)
+	LIBC=android
+	#else
 	#include <features.h>
 	#if defined(__UCLIBC__)
 	LIBC=uclibc
@@ -169,6 +172,7 @@ Linux|GNU|GNU/*)
 	LIBC=musl
 	#endif
 	#endif
+	#endif
 	EOF
 	cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
 	eval "$cc_set_libc"
@@ -904,7 +908,7 @@ EOF
 	fi
 	;;
     *:FreeBSD:*:*)
-	UNAME_PROCESSOR=`/usr/bin/uname -p`
+	UNAME_PROCESSOR=`uname -p`
 	case $UNAME_PROCESSOR in
 	    amd64)
 		UNAME_PROCESSOR=x86_64 ;;
@@ -976,7 +980,27 @@ EOF
 	GUESS=$UNAME_MACHINE-unknown-minix
 	;;
     aarch64:Linux:*:*)
-	GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
+	set_cc_for_build
+	CPU=$UNAME_MACHINE
+	LIBCABI=$LIBC
+	if test "$CC_FOR_BUILD" != no_compiler_found; then
+	    ABI=64
+	    sed 's/^	    //' << EOF > "$dummy.c"
+	    #ifdef __ARM_EABI__
+	    #ifdef __ARM_PCS_VFP
+	    ABI=eabihf
+	    #else
+	    ABI=eabi
+	    #endif
+	    #endif
+EOF
+	    cc_set_abi=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^ABI' | sed 's, ,,g'`
+	    eval "$cc_set_abi"
+	    case $ABI in
+		eabi | eabihf) CPU=armv8l; LIBCABI=$LIBC$ABI ;;
+	    esac
+	fi
+	GUESS=$CPU-unknown-linux-$LIBCABI
 	;;
     aarch64_be:Linux:*:*)
 	UNAME_MACHINE=aarch64_be