[cmake] set boost components as optional (#2807)

https://github.com/boostorg/system/issues/132

Signed-off-by: crueter <crueter@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2807

CMakeLists.txt

@@ -532,11 +532,7 @@ else()
     find_package(zstd 1.5 REQUIRED MODULE)
 
     # wow
-    if (PLATFORM_LINUX)
-        find_package(Boost 1.57.0 CONFIG REQUIRED headers context system fiber)
-    else()
-        find_package(Boost 1.57.0 CONFIG REQUIRED)
-    endif()
+    find_package(Boost 1.57.0 CONFIG REQUIRED OPTIONAL_COMPONENTS headers context system fiber)
 
     if (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR ANDROID)
         find_package(gamemode 1.7 MODULE)