env: Finish migration of common ENV options

- In ARMv8 NXP Layerscape platforms we also need to make use of
  CONFIG_SYS_RELOC_GD_ENV_ADDR now, do so.
- On ENV_IS_IN_REMOTE, CONFIG_ENV_OFFSET is never used, drop the define
  to 0.
- Add Kconfig entry for ENV_ADDR.
- Make ENV_ADDR / ENV_OFFSET depend on the env locations that use it.
- Add ENV_xxx_REDUND options that depend on their primary option and
  SYS_REDUNDAND_ENVIRONMENT
- On a number of PowerPC platforms, use SPL_ENV_ADDR not CONFIG_ENV_ADDR
  for the pre-main-U-Boot environment location.
- On ENV_IS_IN_SPI_FLASH, check not for CONFIG_ENV_ADDR being set but
  rather it being non-zero, as it will now be zero by default.
- Rework the env_offset absolute in env/embedded.o to not use
  CONFIG_ENV_OFFSET as it was the only use of ENV_OFFSET within
  ENV_IS_IN_FLASH.
- Migrate all platforms.

Cc: Wolfgang Denk <wd@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: uboot-stm32@st-md-mailman.stormreply.com
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h
index 4b2eb65..db4b94e 100644
--- a/include/configs/P1022DS.h
+++ b/include/configs/P1022DS.h
@@ -492,30 +492,16 @@
 /*
  * Environment
  */
-#ifdef CONFIG_SPIFLASH
-#define CONFIG_ENV_SIZE		0x2000	/* 8KB */
-#define CONFIG_ENV_OFFSET	0x100000	/* 1MB */
-#define CONFIG_ENV_SECT_SIZE	0x10000
-#elif defined(CONFIG_SDCARD)
+#if defined(CONFIG_SDCARD)
 #define CONFIG_FSL_FIXED_MMC_LOCATION
-#define CONFIG_ENV_SIZE		0x2000
 #define CONFIG_SYS_MMC_ENV_DEV	0
 #elif defined(CONFIG_NAND)
+#define CONFIG_ENV_RANGE	(3 * CONFIG_ENV_SIZE)
 #ifdef CONFIG_TPL_BUILD
-#define CONFIG_ENV_SIZE		0x2000
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_INIT_L2_ADDR + (160 << 10))
-#else
-#define CONFIG_ENV_SIZE		CONFIG_SYS_NAND_BLOCK_SIZE
+#define SPL_ENV_ADDR		(CONFIG_SYS_INIT_L2_ADDR + (160 << 10))
 #endif
-#define CONFIG_ENV_OFFSET	(1024 * 1024)
-#define CONFIG_ENV_RANGE	(3 * CONFIG_ENV_SIZE)
 #elif defined(CONFIG_SYS_RAMBOOT)
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
-#define CONFIG_ENV_SIZE		0x2000
-#else
-#define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
-#define CONFIG_ENV_SIZE		0x2000
-#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
+#define SPL_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
 #endif
 
 #define CONFIG_LOADS_ECHO