Yocto master has switched to use python3 and this means all of
our bbclasses must work with it. The cmp function has been removed
and the closest is this dropin routine. Start to use it.
Exception: OSError: [Errno 36] File name too long: '/home/oebuilds/jenkins/workspace/Yocto-Master/label/OE/build/tmp/deploy/sources/allarch-poky-linux/Firmware-AbilisFirmware-agereFirmware-amd-ucodeFirmware-atheros_firmwareFirmware-broadcom_bcm43xxFirmware-ca0132Firmware-chelsio_firmwareFirmware-cw1200Firmware-dib0700Firmware-ene_firmwareFirmware-fw_sst_0f28Firmware-go7007Firmware-i2400mFirmware-ibt_firmwareFirmware-it913xFirmware-iwlwifi_firmwareFirmware-IntcSST2Firmware-MarvellFirmware-mwl8335Firmware-myri10ge_firmwareFirmware-OLPCFirmware-phanfwFirmware-qat_dh895xcc_firmwareFirmware-qla2xxxFirmware-r8a779x_usb3Firmware-radeonFirmware-ralink_a_mediatek_company_firmwareFirmware-ralink-firmwareFirmware-rtlwifi_firmwareFirmware-tda7706-firmwareFirmware-ti-connectivityFirmware-ueagle-atm4-firmwareFirmware-via_vt6656Firmware-wl1251Firmware-xc4000Firmware-xc5000Firmware-xc5000cFirmware-sianoFirmware-qualcommAthos_ar3kFirmware-qualcommAthos_ath10k'
* archiver discard the source providing
for all native and shared-work recipes,
so we whitelist gcc-cross, which covers
the source code for the runtime libgcc
package
Fixes: SYS#372