qcacld-3.0: Genoa: SDIO: Handle Tx Padding & Credits

In Genoa SDIO ADMA implementation Host sends packets to FW in
multiples of SDIO Block size.
If the packet/bundle is not block aligned Host adds padding at the
end of Packet/Bundle.

If the TX packet plus padding exceeds one FW TX Buffer, Padding data
will occupy the next FW TX buffer. Same applies for bundle TX packet.

For above scenario, HTC_FLAGS_PADDING_CHECK of HTC header Flags is used
to notify the FW that - Padding data follows the currentHTC packet

Since the padding data will take one extra FW Tx Buffer, host need to
handle the extra Tx credit being used by the padding data/buffer

CRs-Fixed: 2516619
Change-Id: Ie2d2292fabb30e1a13eebe4d11b57f452e42afa8

Kbuild

@@ -2545,6 +2545,7 @@ cppflags-$(CONFIG_DP_LFR) += -DDP_LFR
 cppflags-$(CONFIG_DUP_RX_DESC_WAR) += -DDUP_RX_DESC_WAR
 cppflags-$(CONFIG_HTT_PADDR64) += -DHTT_PADDR64
 cppflags-$(CONFIG_WLAN_FEATURE_BMI) += -DWLAN_FEATURE_BMI
+cppflags-$(CONFIG_QCA_TX_PADDING_CREDIT_SUPPORT) += -DQCA_TX_PADDING_CREDIT_SUPPORT
 cppflags-$(CONFIG_QCN7605_SUPPORT) += -DQCN7605_SUPPORT -DPLATFORM_GENOA
 cppflags-$(CONFIG_HIF_REG_WINDOW_SUPPORT) += -DHIF_REG_WINDOW_SUPPORT
 cppflags-$(CONFIG_WLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY) += -DWLAN_ALLOCATE_GLOBAL_BUFFERS_DYNAMICALLY