Tidy up defines within STM EEPROM emulation (#14275)

* Tidy up defines within stm eeprom emulation

* Fix tests

* Resolve todo

* Still use page notion in clear

* Remove more f4 refs

tmk_core/common/test/eeprom_stm32_tests.cpp

@@ -46,7 +46,7 @@ extern "C" {
  *
  */
 
-#define EEPROM_SIZE (FEE_PAGE_SIZE * FEE_DENSITY_PAGES / 2)
+#define EEPROM_SIZE (FEE_PAGE_SIZE * FEE_PAGE_COUNT / 2)
 #define LOG_SIZE EEPROM_SIZE
 #define LOG_BASE (MOCK_FLASH_SIZE - LOG_SIZE)
 #define EEPROM_BASE (LOG_BASE - EEPROM_SIZE)

tmk_core/common/test/hal.h

@@ -0,0 +1,18 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+// Just here to please eeprom tests

tmk_core/common/test/rules.mk

@@ -3,12 +3,12 @@ eeprom_stm32_tiny_DEFS := $(eeprom_stm32_DEFS) \
 	-DFEE_MCU_FLASH_SIZE=1 \
 	-DMOCK_FLASH_SIZE=1024 \
 	-DFEE_PAGE_SIZE=512 \
-	-DFEE_DENSITY_PAGES=1
+	-DFEE_PAGE_COUNT=1
 eeprom_stm32_large_DEFS := $(eeprom_stm32_DEFS) \
 	-DFEE_MCU_FLASH_SIZE=64 \
 	-DMOCK_FLASH_SIZE=65536 \
 	-DFEE_PAGE_SIZE=2048 \
-	-DFEE_DENSITY_PAGES=16
+	-DFEE_PAGE_COUNT=16
 
 eeprom_stm32_INC := \
 	$(TMK_PATH)/common/chibios/