Clean up all deprecations from chisel3p6 to embrace chisel5 #514

Job	Run time
riscv-arch-test (DefaultRV32Config,32,RV32IMACZicsr_Zifencei)	1s
riscv-arch-test (DefaultConfig,64,RV64IMACZicsr_Zifencei)	1s
riscv-arch-test (BitManipCryptoConfig,64,RV64IZba_Zbb_Zbc_Zbkb_Zbkc_Zbkx_Zbs_Zknd_Zkne_Zknh_Zksed...	1s
riscv-arch-test (BitManipCrypto32Config,32,RV32IZba_Zbb_Zbc_Zbkb_Zbkc_Zbkx_Zbs_Zknd_Zkne_Zknh_Zks...	1s
riscv-tests (DefaultConfig)	21m 55s
riscv-tests (DefaultBufferlessConfig)	21m 37s
riscv-tests (DefaultRV32Config)	21m 54s
riscv-tests (TinyConfig)	21m 55s
riscv-tests (DefaultFP16Config)	21m 46s
emulator (DefaultSmallConfig)	22m 18s
emulator (DualBankConfig)	22m 2s
emulator (DualChannelConfig)	22m 19s
emulator (DualChannelDualBankConfig)	22m 18s
emulator (RoccExampleConfig)	22m 10s
emulator (Edge128BitConfig)	22m 19s
emulator (Edge32BitConfig)	22m 19s
emulator (QuadChannelBenchmarkConfig)	22m 19s
emulator (EightChannelConfig)	22m 19s
emulator (DualCoreConfig)	22m 19s
emulator (MemPortOnlyConfig)	22m 18s
emulator (MMIOPortOnlyConfig)	22m 19s
emulator (CloneTileConfig)	22m 19s
emulator (HypervisorConfig)	22m 18s
jtag-dtm-test (freechips.rocketchip.system.WithJtagDTMSystem_freechips.rocketchip.system.DefaultC...	22m 46s
jtag-dtm-test (freechips.rocketchip.system.WithJtagDTMSystem_freechips.rocketchip.system.DefaultR...	22m 45s
jtag-dtm-test (freechips.rocketchip.system.WithJtagDTMSystem_freechips.rocketchip.system.WithDebu...	22m 31s
jtag-dtm-test (freechips.rocketchip.system.WithJtagDTMSystem_freechips.rocketchip.system.WithDebu...	22m 28s
	8h 31m 37s

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