Add support for FreeBSD/PowerPC64 Little Endian (#15927)

* Update installer.ini

Add support for powerpc64 little endian

* Update buildsh.nimf

Add support for powerpc64 little endian

* Update makefile.nimf

Add support for freebsd/powerpc64 little endian

compiler/installer.ini

@@ -9,7 +9,7 @@ Platforms: """
   linux: i386;hppa;ia64;alpha;amd64;powerpc64;arm;sparc;sparc64;m68k;mips;mipsel;mips64;mips64el;powerpc;powerpc64el;arm64;riscv64
   macosx: i386;amd64;powerpc64
   solaris: i386;amd64;sparc;sparc64
-  freebsd: i386;amd64;powerpc64;arm;arm64;riscv64;sparc64;mips;mipsel;mips64;mips64el;powerpc
+  freebsd: i386;amd64;powerpc64;arm;arm64;riscv64;sparc64;mips;mipsel;mips64;mips64el;powerpc;powerpc64el
   netbsd: i386;amd64
   openbsd: i386;amd64;arm;arm64
   dragonfly: i386;amd64

tools/niminst/buildsh.nimf

@@ -159,7 +159,10 @@ case $ucpu in
       COMP_FLAGS="$COMP_FLAGS -m64"
       LINK_FLAGS="$LINK_FLAGS -m64"
       mycpu=`uname -p`
-	else
+      if [ "$(mycpu)" = "powerpc64le"] ; then
+	mycpu="powerpc64el"
+      fi
+    else
       mycpu="powerpc"
     fi
     ;;

tools/niminst/makefile.nimf

@@ -124,6 +124,9 @@ ifeq ($(ucpu),powerpc)
     mycpu = $(shell sh -c 'uname -p | tr "[:upper:]" "[:lower:]"')
     CFLAGS += -m64
     LDFLAGS += -m64
+    ifeq ($(mycpu),powerpc64le)
+      mycpu = powerpc64el
+    endif
   endif
 endif
 ifeq ($(ucpu),ppc)