Add FIXUP option, for automatic package hash. #56

Job	Run time
Option FIXUP=1	3m 30s
Test arm_cortex-a15_neon-vfpv4-master	6m 45s
Option FIXUP=0	3m 40s
Test mips_24kc-master	6m 27s
Test x86_64-master	6m 31s
Test arm_cortex-a15_neon-vfpv4-23.05.2	7m 17s
Test mips_24kc-23.05.2	6m 55s
Test x86_64-23.05.2	6m 55s
Test arm_cortex-a15_neon-vfpv4-23.05.0	7m 11s
Test mips_24kc-23.05.0	7m 9s
Test x86_64-23.05.0	6m 56s
Test arm_cortex-a15_neon-vfpv4-22.03.2	6m 32s
Test mips_24kc-22.03.2	6m 33s
Test x86_64-22.03.2	6m 27s
	1h 28m 48s

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