Revert "hw/alpha/Makefile.objs: Build objects depending on CLIPPER"

This reverts commit d5e5a7d08d8f2783eb63b5a1df8c4d4afa038b5b.

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/dma/Kconfig: Fix 'select ISA' comment to 'depends on ISA'

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>
hw/intc/Kconfig: Delete KVM dependency for ARM_GIC_KVM

Signed-off-by: Ákos Kovács <akoskovacs@gmx.com>