Revert "increase pusch target power"

This reverts commit d453a03a.

For whatever reason the simulation does not work anymore, I have
to revert this commit for things to work again...

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_no_mme.conf

@@ -64,7 +64,7 @@ eNBs =
         srs_ackNackST                             =;
         srs_MaxUpPts                              =;*/
 
-        pusch_p0_Nominal                          = -90; //108;
+        pusch_p0_Nominal                          = -108;
         pusch_alpha                               = "AL1";
         pucch_p0_Nominal                          = -96; //-108;
         msg3_delta_Preamble                       = 6;