drivers: timer: Add in driver support for ADI SC5XX-family GP timer peripheral

Co-developed-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
Signed-off-by: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
Co-developed-by: Angelo Dureghello <angelo.dureghello@timesys.com>
Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com>
Co-developed-by: Ian Roberts <ian.roberts@timesys.com>
Signed-off-by: Ian Roberts <ian.roberts@timesys.com>
Signed-off-by: Greg Malysa <greg.malysa@timesys.com>
diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig
index 60519c3..6b1de82 100644
--- a/drivers/timer/Kconfig
+++ b/drivers/timer/Kconfig
@@ -50,6 +50,14 @@
 	  use an early timer. These functions must be supported by your timer
 	  driver: timer_early_get_count() and timer_early_get_rate().
 
+config ADI_SC5XX_TIMER
+	bool "ADI ADSP-SC5xx Timer Support"
+	depends on TIMER && (SC57X || SC58X || SC59X || SC59X_64)
+	help
+	  gptimer based timer support on ADI's ADSP-SC5xx platforms. Available
+	  but not required on sc59x-64-based platforms (598 and similar).
+	  Required on 32-bit platforms (sc57x, sc58x, sc594 and earlier).
+
 config ALTERA_TIMER
 	bool "Altera timer support"
 	depends on TIMER