configs: mtmips: remove configs which are selected in Kconfig or useless

Some configs are selected in Kconfig and is no longer needed in the
defconfig files. Some configs (power domain, ram) are never used.

Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
31 jobs for mips-pull-2019-10-25 in 129 minutes and 58 seconds (queued for 66 minutes and 33 seconds)
latest
Status Job ID Name Coverage
  Testsuites
passed #23714
all
Build envtools

00:00:25

passed #23713
all
Build tools-only

00:00:26

passed #23712
all
Check for configs without MAINTAINERS entry

00:00:22

passed #23715
all
Run binman, buildman, dtoc and patman testsuites

00:01:03

passed #23709
all
cppcheck

00:07:32

passed #23710
all
grep TODO/FIXME/HACK

00:00:31

passed #23711
all
sloccount

00:00:43

 
  Test.Py
passed #23718
all
evb-ast2500 test.py

00:00:50

passed #23722
all
integratorcp_cm926ejs test.py

00:00:45

passed #23729
all
qemu-ppce500 test.py

00:00:46

passed #23730
all
qemu-riscv64 test.py

00:01:05

passed #23731
all
qemu-x86 test.py

00:01:25

passed #23732
all
qemu-x86_64 test.py

00:01:21

passed #23723
all
qemu_arm test.py

00:01:15

passed #23724
all
qemu_arm64 test.py

00:01:16

passed #23725
all
qemu_mips test.py

00:00:45

passed #23727
all
qemu_mips64 test.py

00:00:45

passed #23728
all
qemu_mips64el test.py

00:00:44

passed #23726
all
qemu_mipsel test.py

00:00:44

passed #23716
all
sandbox test.py

00:01:53

passed #23719
all
sandbox_flattree test.py

00:01:00

passed #23717
all
sandbox_spl test.py

00:00:57

passed #23720
all
vexpress_ca15_tc2 test.py

00:00:47

passed #23721
all
vexpress_ca9x4 test.py

00:00:46

passed #23734
all
xilinx_versal_virt test.py

00:00:47

passed #23735
all
xtfpga test.py

00:00:44

passed #23733
all
zynq_zc702 test.py

00:00:52

 
  World Build
passed #23736
all
build all 32bit ARM platforms

00:50:51

passed #23737
all
build all 64bit ARM platforms

00:18:40

passed #23738
all
build all PowerPC platforms

00:19:45

passed #23739
all
build all other platforms

00:09:56