arm: socfpga: Move Stratix10 and Agilex to use TARGET_SOCFPGA_SOC64

Create common macro TARGET_SOCFPGA_SOC64 for Stratix10 and Agilex.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
diff --git a/drivers/sysreset/Kconfig b/drivers/sysreset/Kconfig
index 968dfa4..ac77ffb 100644
--- a/drivers/sysreset/Kconfig
+++ b/drivers/sysreset/Kconfig
@@ -94,7 +94,7 @@
 
 config SYSRESET_SOCFPGA_SOC64
 	bool "Enable support for Intel SOCFPGA SoC64 family (Stratix10/Agilex)"
-	depends on ARCH_SOCFPGA && (TARGET_SOCFPGA_STRATIX10 || TARGET_SOCFPGA_AGILEX)
+	depends on ARCH_SOCFPGA && TARGET_SOCFPGA_SOC64
 	help
 	  This enables the system reset driver support for Intel SOCFPGA
 	  SoC64 SoCs.