RISC-V: kconfig cleanups
authorPalmer Dabbelt <palmer@sifive.com>
Tue, 20 Feb 2018 18:51:19 +0000 (10:51 -0800)
committerPalmer Dabbelt <palmer@sifive.com>
Tue, 20 Feb 2018 18:51:19 +0000 (10:51 -0800)
commita5033609896ccc58afd6bda365742fffd1dba7aa
treef93b4571780a2f478f388adf1d188b0e6a438ea4
parent7928b2cbe55b2a410a0f5c1f154610059c57b1b2
parent89a4b4441206962d1bbb62f128604a269b60933d
RISC-V: kconfig cleanups

These three kconfig cleanups were found by ulfalyzer.  They're all
things we were selecting that were undefined, either because they'd been
remove upstream or are part of a future RISC-V submission.

* ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE is obselete.
* RISCV_IRQ_INTC is the old name for our interrupt controller driver,
  it'll be changed for the final submission and doesn't exist now.
* ARCH_WANT_OPTIONAL_GPIOLIB is obselete.