qcacld-3.0: Reduce roam debug buffer size

Change WLAN_ROAM_DEBUG_MAX_REC from 256 to 64 to save memory

Change-Id: Ib70ab70bc6841251eb76db8ab6173eb0b58ad39e
CRs-Fixed: 2271408

configs/genoa.snoc.perf_defconfig

@@ -81,4 +81,8 @@ CONFIG_CFG_NUM_WMI_EVENT_HISTORY := 16
 CONFIG_CFG_NUM_WMI_MGMT_EVENT_HISTORY := 16
 CONFIG_CFG_NUM_TX_RX_HISTOGRAM := 16
 CONFIG_CFG_NUM_RX_IND_RECORD := 1024
+
+ifeq ($(CONFIG_FEATURE_ROAM_DEBUG), y)
+CONFIG_CFG_NUM_ROAM_DEBUG_RECORD := 64
+endif
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