iwlwifi: mvm: support family 8000 C step

C step functionality in the driver is exactly the same as
B step besides the ucode name that present as iwlwifi-8000C-xx.ucode
instead of iwlwifi-8000B-xx.ucode
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/iwl-csr.h

@@ -307,6 +307,7 @@
 enum {
 	SILICON_A_STEP = 0,
 	SILICON_B_STEP,
+	SILICON_C_STEP,
 };
 
 

drivers/net/wireless/iwlwifi/mvm/nvm.c

@@ -356,7 +356,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
 		max_section_size = IWL_MAX_NVM_SECTION_SIZE;
 	else if (CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP)
 		max_section_size = IWL_MAX_NVM_8000A_SECTION_SIZE;
-	else /* Family 8000 B-step */
+	else /* Family 8000 B-step or C-step */
 		max_section_size = IWL_MAX_NVM_8000B_SECTION_SIZE;
 
 	/*

drivers/net/wireless/iwlwifi/pcie/trans.c

@@ -982,7 +982,7 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
 
 	/* Load the given image to the HW */
 	if ((trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) &&
-	    (CSR_HW_REV_STEP(trans->hw_rev) == SILICON_B_STEP))
+	    (CSR_HW_REV_STEP(trans->hw_rev) != SILICON_A_STEP))
 		return iwl_pcie_load_given_ucode_8000b(trans, fw);
 	else
 		return iwl_pcie_load_given_ucode(trans, fw);