No. You installed custom firmware (like Enso) which patches the original Sony boot process. You have not added a traditional BIOS.
Once you have the files, you must install them within your emulator to begin playing. download psvita bios full
Many websites offering "Full BIOS Packs" or "All-in-one" downloads for the Vita often bundle malware or outdated, corrupted files. download psvita bios full