Revert "poky: subtree update:b23aa6b753..ad30a6d470"

This reverts commit af5e4ef732faedf66c6dc1756432e9de2ac72988.

This commit introduced openbmc/openbmc#3720 and no solution has been
forthcoming. Revert until we can get to the bottom of this.

Change-Id: I2fb0d81eb26cf3dadb2f2abdd1a1bb7a95eaf03c
diff --git a/poky/meta/conf/machine/qemumips.conf b/poky/meta/conf/machine/qemumips.conf
index b8c80f0..1373e4c 100644
--- a/poky/meta/conf/machine/qemumips.conf
+++ b/poky/meta/conf/machine/qemumips.conf
@@ -15,4 +15,4 @@
 
 QB_SYSTEM_NAME = "qemu-system-mips"
 
-QB_CPU = "-cpu 34Kf-64tlb"
+QB_CPU = "-cpu 34Kf"