Temporarily give 80MB to all processes (#715)

include/kernel/kernel.hpp

@@ -253,4 +253,5 @@ public:
 	void sendGPUInterrupt(GPUInterrupt type) { serviceManager.sendGPUInterrupt(type); }
 	void clearInstructionCache();
 	void clearInstructionCacheRange(u32 start, u32 size);
+	u32 getSharedFontVaddr();
 };