jtagmm: Add ETM register save-restore support for 8610

Debug and ETM registers do not retain their state on power collapse.
This change provides save-restore support for these registers using
memory mapped access to allow debugging and tracing across power
collapse.

Change-Id: I2e24d4679d4479179373b3833b3438df6c8c7382
Signed-off-by: Aparna Das <adas@codeaurora.org>
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index cd5d55b..54806ae 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -426,6 +426,7 @@
 	select REGULATOR
 	select MSM_RPM_REGULATOR_SMD
 	select MSM_SPM_REGULATOR
+	select MSM_JTAG_MM if CORESIGHT_ETM
 	select MSM_CPR_REGULATOR
 
 config ARCH_MSM8226