Add hdcp_qseecom driver snapshot for Lahaina

Add and modify files to enable hdcp_qseecom driver
for Lahaina.

This implementation is based on a snapshot of the HDCP
QSEECOM module as of this commit c13c06fa4bc677f4
("hdcp_qseecom: Maintain repeater_flag appropriately")
on kernel-4.19.

Change-Id: I91a9d9c539f5ab11af7f427e907622d8391b454f
Signed-off-by: Phanindra Babu Pabba <pabba@codeaurora.org>

drivers/misc/Kconfig

@@ -489,6 +489,16 @@ config QSEECOM
           Manager (SCM) interface. It exposes APIs for both userspace and
           kernel clients.
 
+config HDCP_QSEECOM
+        tristate "QTI High-Bandwidth Digital Content Protection Module"
+        depends on QSEECOM
+        help
+          This module implements HDCP 2.2 features over external interfaces
+          such as the DisplayPort interface. It exposes APIs for the interface
+          driver to communicate with QTI Secure Execution Environment (QSEE)
+          via the QSEECOM Driver and also communicates with the Receiver via
+          APIs exposed by the interface driver.
+
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"

drivers/misc/Makefile

@@ -49,6 +49,7 @@ obj-$(CONFIG_SRAM_EXEC)		+= sram-exec.o
 obj-y				+= mic/
 obj-$(CONFIG_GENWQE)		+= genwqe/
 obj-$(CONFIG_ECHO)		+= echo/
+obj-$(CONFIG_HDCP_QSEECOM)	+= hdcp_qseecom.o
 obj-$(CONFIG_VEXPRESS_SYSCFG)	+= vexpress-syscfg.o
 obj-$(CONFIG_CXL_BASE)		+= cxl/
 obj-$(CONFIG_PCI_ENDPOINT_TEST)	+= pci_endpoint_test.o