qcacld-3.0: Add timestamp debug info in ol_tx_desc_t

Add descriptor timestamp debug info in ol_tx_desc_t and
add APIs to set these values.

Change-Id: I686fccff4268811474630dbea8369fabe82d1517
CRs-Fixed: 2333654
diff --git a/Kbuild b/Kbuild
index 3f56f2d..6f8a695 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2026,6 +2026,8 @@
 cppflags-$(CONFIG_DESC_DUP_DETECT_DEBUG) += -DDESC_DUP_DETECT_DEBUG
 cppflags-$(CONFIG_DEBUG_RX_RING_BUFFER) += -DDEBUG_RX_RING_BUFFER
 
+cppflags-$(CONFIG_DESC_TIMESTAMP_DEBUG_INFO) += -DDESC_TIMESTAMP_DEBUG_INFO
+
 cppflags-$(PANIC_ON_BUG) += -DPANIC_ON_BUG
 
 cppflags-$(WLAN_WARN_ON_ASSERT) += -DWLAN_WARN_ON_ASSERT