ini: Add INI for rx thread affinity mask for UL

Add INI parameter RX_THREAD_UL_CPU_AFFINITY_MASK to
set rx thread affinity mask during UL traffic.

Change-Id: I6bf82fd6a9c8752c046609573797fe5af92734c2
CRs-Fixed: 2582399

lito/WCNSS_qcom_cfg.ini

@@ -475,6 +475,9 @@ enable_rtt_mac_randomization=1
 
 #Enable/Disable SNR monitoring
 gEnableSNRMonitoring=1
+
+# Rx thread affinity mask in UL case
+RX_THREAD_UL_CPU_AFFINITY_MASK=0xc0
 END
 
 # Note: Configuration parser would not read anything past the END marker