Add "CONFIG_SMP=y" and "CONFIG_NR_CPUS=2" to support SMP.

Tested-by: H. Nikolaus Schaller <redacted>
Tested-by: Paul Boddie <redacted>
Signed-off-by: 周琰杰 (Zhou Yanjie) <redacted>
---

Notes:
    v1->v2:
    No change.
    
    v2->v3:
    No change.
    
    v3->v4:
    Rebase on top of kernel 5.6-rc1.

 arch/mips/configs/ci20_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig
index be41df2..3aadb2e 100644
--- a/arch/mips/configs/ci20_defconfig
+++ b/arch/mips/configs/ci20_defconfig

@@ -1,3 +1,5 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_KERNEL_XZ=y
 CONFIG_SYSVIPC=y

-- 
2.7.4