qcacld-3.0: usb: Make HTC_MAX_MSG_PER_BUNDLE_TX configurable

Make HTC_MAX_MSG_PER_BUNDLE_TX configurable through config files.
Also set HTC_MAX_MSG_PER_BUNDLE_TX to 48 for QCN7605 usb.

Change-Id: If6616251f536c35db087d5623a81c8a3f02da725
CRs-Fixed: 2544743
diff --git a/Kbuild b/Kbuild
index cbff722..ce077cf 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2825,6 +2825,10 @@
 ccflags-y += -DCFG_TGT_NUM_MSDU_DESC=$(CONFIG_TGT_NUM_MSDU_DESC)
 endif
 
+ifdef CONFIG_HTC_MAX_MSG_PER_BUNDLE_TX
+ccflags-y += -DCFG_HTC_MAX_MSG_PER_BUNDLE_TX=$(CONFIG_HTC_MAX_MSG_PER_BUNDLE_TX)
+endif
+
 ifdef CONFIG_CFG_ROAM_OFFLOAD_MAX_VDEV
 ccflags-y += -DCFG_TGT_DEFAULT_ROAM_OFFLOAD_MAX_VDEV=$(CONFIG_CFG_ROAM_OFFLOAD_MAX_VDEV)
 endif