cnss2: Change AFC data pointer from char* to const uint8_t*

API cnss_send_buffer_to_afcmem pass AFC data from driver to target
which is not changed in platform driver, and it is pass-through byte
stream for platform driver.

Change the AFC data pointer in API from char* to const uint8_t*.

Change-Id: Ib492dbcf028776858926d8a3e11edc528566fac1
CRs-Fixed: 3478093

cnss2/pci.c

@@ -4504,8 +4504,8 @@ int cnss_pci_qmi_send_put(struct cnss_pci_data *pci_priv)
 	return ret;
 }
 
-int cnss_send_buffer_to_afcmem(struct device *dev, char *afcdb, uint32_t len,
-			       uint8_t slotid)
+int cnss_send_buffer_to_afcmem(struct device *dev, const uint8_t *afcdb,
+			       uint32_t len, uint8_t slotid)
 {
 	struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
 	struct cnss_fw_mem *fw_mem;

inc/cnss2.h

@@ -345,7 +345,7 @@ extern int cnss_get_pci_slot(struct device *dev);
 extern int cnss_pci_get_reg_dump(struct device *dev, uint8_t *buffer,
 				 uint32_t len);
 extern struct kobject *cnss_get_wifi_kobj(struct device *dev);
-extern int cnss_send_buffer_to_afcmem(struct device *dev, char *afcdb,
+extern int cnss_send_buffer_to_afcmem(struct device *dev, const uint8_t *afcdb,
 				      uint32_t len, uint8_t slotid);
 extern int cnss_reset_afcmem(struct device *dev, uint8_t slotid);
 extern bool cnss_get_fw_cap(struct device *dev, enum cnss_fw_caps fw_cap);