ARM: at91: Kconfig: add config flag for SAM9X7 SoC

Add config flag for sam9x7 SoC.
Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/20240729070916.1991370-1-varshini.rajendran@microchip.comSigned-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>

arch/arm/mach-at91/Kconfig

@@ -141,11 +141,27 @@ config SOC_SAM9X60
 	help
 	  Select this if you are using Microchip's SAM9X60 SoC
 
+config SOC_SAM9X7
+	bool "SAM9X7"
+	depends on ARCH_MULTI_V5
+	select ATMEL_AIC5_IRQ
+	select ATMEL_PM if PM
+	select CPU_ARM926T
+	select HAVE_AT91_USB_CLK
+	select HAVE_AT91_GENERATED_CLK
+	select HAVE_AT91_SAM9X60_PLL
+	select MEMORY
+	select PINCTRL_AT91
+	select SOC_SAM_V4_V5
+	select SRAM if PM
+	help
+	  Select this if you are using Microchip's SAM9X7 SoC
+
 comment "Clocksource driver selection"
 
 config ATMEL_CLOCKSOURCE_PIT
 	bool "Periodic Interval Timer (PIT) support"
-	depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5
+	depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA5
 	default SOC_AT91SAM9 || SOC_SAMA5
 	select ATMEL_PIT
 	help
@@ -155,7 +171,7 @@ config ATMEL_CLOCKSOURCE_PIT
 
 config ATMEL_CLOCKSOURCE_TCB
 	bool "Timer Counter Blocks (TCB) support"
-	default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5
+	default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA5
 	select ATMEL_TCB_CLKSRC
 	help
 	  Select this to get a high precision clocksource based on a
@@ -166,7 +182,7 @@ config ATMEL_CLOCKSOURCE_TCB
 
 config MICROCHIP_CLOCKSOURCE_PIT64B
 	bool "64-bit Periodic Interval Timer (PIT64B) support"
-	default SOC_SAM9X60 || SOC_SAMA7
+	default SOC_SAM9X60 || SOC_SAM9X7 || SOC_SAMA7
 	select MICROCHIP_PIT64B
 	help
 	  Select this to get a high resolution clockevent (SAM9X60) or