By Aziz El Yaakoubi RIYADH (Reuters) – Two Saudi government delegations plan to visit the United States this month, officials said on Saturday, as Riyadh and Washington step up efforts to fix strained ties and lay the ground for an eventual visit by U.S. President Joe Biden. The first delegation is expected to visit Washington on June 15 and will be led by Saudi Minister of Commerce Majid bin Abdullah al-Qasabi. The second, led by Investment Minister Khaled Al-Falih, is planned by the end of the month, two officials said. The officials declined to be named as the plans had not been made public…