tpm: Rename tpm2_is_active_pcr()

This function is checking for active PCR banks, so rename it
to something that's easier to read and closer to what the function
does.

Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/include/tpm-v2.h b/include/tpm-v2.h
index 4fd19c5..8c43f4f 100644
--- a/include/tpm-v2.h
+++ b/include/tpm-v2.h
@@ -740,12 +740,12 @@
 bool tpm2_allow_extend(struct udevice *dev);
 
 /**
- * tpm2_is_active_pcr() - check the pcr_select. If at least one of the PCRs
- *			  supports the algorithm add it on the active ones
+ * tpm2_is_active_bank() - check the pcr_select. If at least one of the PCRs
+ *			   supports the algorithm add it on the active ones
  *
  * @selection: PCR selection structure
  * Return: True if the algorithm is active
  */
-bool tpm2_is_active_pcr(struct tpms_pcr_selection *selection);
+bool tpm2_is_active_bank(struct tpms_pcr_selection *selection);
 
 #endif /* __TPM_V2_H */