encgen: fixed missing modrm.mod and modrm.reg restriction in create_vex_simd_2reg_mem
encgen: fixed missing modrm.mod and modrm.reg restriction in create_vex_simd_2reg_mem

Change-Id: If19afac0bb58a84d6f7caf4b6d6816a57eb9a7b7
(cherry picked from commit f54d1280807d734ddb84d511b961a3f186ad4130)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed