add LGA-8_8x6.2mm_P1.27mm
This MR add LGA-8_8x6.2mm_P1.27mm package (ping @jneiva08)
It is slightly different from LGA-8_8x6mm_P1.27mm because of body_size_y
and overall_height
Datasheet : https://datasheet.lcsc.com/lcsc/2303241700_Zetta-ZDSD64GLGEAG-R_C5277948.pdf, page 17, MLC measurements
This MR follows !897 (merged)