feat(lvgl): adapt LVGL for opencoreC with SSE2 SIMD blit, hardware tick, and desktop toast IPC

Makefile

@@ -28,6 +28,7 @@ COMMON_FLAGS := -Wall -Wextra -O2 -ffreestanding -fno-stack-protector \
 
 CFLAGS   := $(COMMON_FLAGS) -std=c11
 CXXFLAGS := $(COMMON_FLAGS) -std=c++20 -fno-exceptions -fno-rtti -I$(LIB_DIR)/libipc_cpp/include
+GUI_CXXFLAGS := $(filter-out -mno-sse -mno-sse2 -mno-avx, $(CXXFLAGS)) -msse -msse2
 
 # Outputs
 KERNEL_BIN   := target/x86_64-unknown-none/release/opencore_kernel
@@ -79,7 +80,7 @@ hal: libc
 
 lvgl: $(LVGL_LIB)
 
-$(LVGL_LIB):
+$(LVGL_LIB): lib/lvgl/lv_conf.h
 	@mkdir -p $(BUILD_DIR)/lvgl
 	@echo "[CC] Compiling LVGL v8.3 Graphics Library..."
 	@python3 scripts/build_lvgl.py $(CC) "$(CFLAGS)" $(BUILD_DIR)
@@ -106,7 +107,7 @@ servers: libc hal $(LVGL_LIB)
 	@$(LD) -T $(CONFIG_DIR)/user.ld -nostdlib -static -o $(PROCMGR) \
 		$(BUILD_DIR)/procmgr_main.o $(BUILD_DIR)/ipc.o $(LIBC_OBJS)
 	@# Desktop GUI Server (LVGL v8.3)
-	@$(CXX) $(CXXFLAGS) -Ilib/lvgl -c $(SERVERS_DIR)/gui_server/main.cpp -o $(BUILD_DIR)/gui_main.o
+	@$(CXX) $(GUI_CXXFLAGS) -Ilib/lvgl -c $(SERVERS_DIR)/gui_server/main.cpp -o $(BUILD_DIR)/gui_main.o
 	@$(LD) -T $(CONFIG_DIR)/user.ld -nostdlib -static -o $(GUI_SERVER) \
 		$(BUILD_DIR)/gui_main.o $(BUILD_DIR)/ipc.o $(NET_OBJS) $(LVGL_LIB) $(LIBC_OBJS)