[quantum] combine repeated lines of code (#10837)

quantum/config_common.h

@@ -39,7 +39,7 @@
 #        define PIND_ADDRESS 0x9
 #        define PINE_ADDRESS 0xC
 #        define PINF_ADDRESS 0xF
-#    elif defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__)
+#    elif defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
 #        define ADDRESS_BASE 0x00
 #        define PINB_ADDRESS 0x3
 #        define PINC_ADDRESS 0x6
@@ -58,11 +58,6 @@
 #        define PINC_ADDRESS 0x3
 #        define PINB_ADDRESS 0x6
 #        define PINA_ADDRESS 0x9
-#    elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
-#        define ADDRESS_BASE 0x00
-#        define PINB_ADDRESS 0x3
-#        define PINC_ADDRESS 0x6
-#        define PIND_ADDRESS 0x9
 #    elif defined(__AVR_ATtiny85__)
 #        define ADDRESS_BASE 0x10
 #        define PINB_ADDRESS 0x6