[U-Boot] [PATCH RESEND 13/14] i.MX7ULP: Set A7 core frequency to 500Mhz for B0 chip

-- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================