tree checksum vpatch file

all signers: asciilifeform bvt diana_coman

antecedents: ffa_ch9_exodus.kv ffa_ch1_genesis.kv

press order:

ffa_ch1_genesis.kvasciilifeform bvt diana_coman
ffa_ch2_logicals.kvasciilifeform bvt diana_coman
ffa_ch3_shifts.kvasciilifeform bvt diana_coman
ffa_ch4_ffacalc.kvasciilifeform bvt diana_coman
ffa_ch5_egypt.kvasciilifeform bvt diana_coman
ffa_ch6_simplest_rsa.kvasciilifeform bvt diana_coman
ffa_ch7_turbo_egyptians.kvasciilifeform bvt diana_coman
ffa_ch8_randomism.kvasciilifeform bvt diana_coman
ffa_ch9_exodus.kvasciilifeform bvt diana_coman
ch9_asm_comba

hunks:
ffa/libffa/ffa.gpr
ffa/libffa/fz_mul.adb
ffa/libffa/x86_64_comba.s