Ports: Make the quake3 port buildable on ARM64 hosts

Previously, on ARM64 hosts we'd try to build ARM64 binaries even when
SERENITY_ARCH was set to x86_64. This would cause the build to fail.

Ports/quake3/patches/0001-Meta-Refactor-Makefile-to-support-Serenity.patch

@@ -4,25 +4,33 @@ Date: Fri, 25 Mar 2022 09:39:21 +1100
 Subject: [PATCH] Meta: Refactor Makefile to support Serenity
 
 ---
- Makefile | 36 ++++++++++++++++--------------------
- 1 file changed, 16 insertions(+), 20 deletions(-)
+ Makefile | 44 ++++++++++++++++----------------------------
+ 1 file changed, 16 insertions(+), 28 deletions(-)
 
 diff --git a/Makefile b/Makefile
 index 9e53555..b26ceb7 100644
 --- a/Makefile
 +++ b/Makefile
-@@ -3,8 +3,8 @@
+@@ -3,16 +3,8 @@
  #
  # GNU Make required
  #
 -COMPILE_PLATFORM=$(shell uname | sed -e 's/_.*//' | tr '[:upper:]' '[:lower:]' | sed -e 's/\//_/g')
 -COMPILE_ARCH=$(shell uname -m | sed -e 's/i.86/x86/' | sed -e 's/^arm.*/arm/')
+-
+-#arm64 hack!
+-ifeq ($(shell uname -m), arm64)
+-  COMPILE_ARCH=arm64
+-endif
+-ifeq ($(shell uname -m), aarch64)
+-  COMPILE_ARCH=arm64
+-endif
 +COMPILE_PLATFORM=serenity
 +COMPILE_ARCH=${SERENITY_ARCH}
  
- #arm64 hack!
- ifeq ($(shell uname -m), arm64)
-@@ -35,13 +35,13 @@ ifndef BUILD_GAME_QVM
+ ifeq ($(COMPILE_PLATFORM),sunos)
+   # Solaris uname and GNU uname differ
+@@ -35,13 +27,13 @@ ifndef BUILD_GAME_QVM
    BUILD_GAME_QVM   =
  endif
  ifndef BUILD_BASEGAME
@@ -39,7 +47,7 @@ index 9e53555..b26ceb7 100644
  endif
  ifndef BUILD_AUTOUPDATER  # DON'T build unless you mean to!
    BUILD_AUTOUPDATER=0
-@@ -164,39 +164,39 @@ GENERATE_DEPENDENCIES=1
+@@ -164,39 +156,39 @@ GENERATE_DEPENDENCIES=1
  endif
  
  ifndef USE_OPENAL
@@ -87,7 +95,7 @@ index 9e53555..b26ceb7 100644
  endif
  
  ifndef USE_FREETYPE
-@@ -505,10 +505,6 @@ ifeq ($(PLATFORM),darwin)
+@@ -505,10 +497,6 @@ ifeq ($(PLATFORM),darwin)
    ifeq ($(CROSS_COMPILING),1)
      # If CC is already set to something generic, we probably want to use
      # something more specific
@@ -98,7 +106,7 @@ index 9e53555..b26ceb7 100644
      ifndef CC
        ifndef DARWIN
          # macOS 10.9 SDK
-@@ -817,11 +813,10 @@ ifeq ($(PLATFORM),freebsd)
+@@ -817,11 +805,10 @@ ifeq ($(PLATFORM),freebsd)
  else # ifeq freebsd
  
  #############################################################################
@@ -112,7 +120,7 @@ index 9e53555..b26ceb7 100644
    BASE_CFLAGS = -Wall -fno-strict-aliasing -Wimplicit -Wstrict-prototypes \
      -pipe -DUSE_ICON -DMAP_ANONYMOUS=MAP_ANON
    CLIENT_CFLAGS += $(SDL_CFLAGS)
-@@ -1000,6 +995,7 @@ ifeq ($(PLATFORM),sunos)
+@@ -1000,6 +987,7 @@ ifeq ($(PLATFORM),sunos)
  
  else # ifeq sunos