Manpages of hydrasdr-tools in Debian experimental

• hydrasdr_calibrate(1)
• hydrasdr_gpio(1)
• hydrasdr_gpiodir(1)
• hydrasdr_info(1)
• hydrasdr_lib_version(1)
• hydrasdr_r82x(1)
• hydrasdr_reset(1)
• hydrasdr_rx(1)
• hydrasdr_set_rf_port(1)
• hydrasdr_si5351c(1)
• hydrasdr_spiflash(1)