qcacld-3.0: Add compile time flag RX_DESC_MULTI_PAGE_ALLOC

Add a compile time feature flag by name RX_DESC_MULTI_PAGE_ALLOC
which will enable the memory allocation of RX descriptors using
multiple pages instead of large contiguous memory.

Change-Id: Ia3803a3685c605c79a34a0c2c000d7ed4adb7d97
CRs-Fixed: 2456267
diff --git a/configs/default_defconfig b/configs/default_defconfig
index 9155077..1a49e3d 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -700,6 +700,7 @@
 CONFIG_FEATURE_SAP_COND_CHAN_SWITCH := y
 CONFIG_FEATURE_P2P_LISTEN_OFFLOAD := y
 CONFIG_QCACLD_FEATURE_MPTA_HELPER := n
+CONFIG_QCACLD_RX_DESC_MULTI_PAGE_ALLOC := y
 
 #Flags to enable/disable WMI APIs
 CONFIG_WMI_ROAM_SUPPORT := y