m7spr: move some BoardConfig defines to m7-common

Change-Id: I0ce6d827569a00f57159926dd2bd49f4d2b80972
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 77681da..a179b2c 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -34,14 +34,8 @@
 TARGET_BOOTLOADER_BOARD_NAME := m7wls
 
 # Filesystem
-BOARD_BOOTIMAGE_PARTITION_SIZE := 16777216
-BOARD_RECOVERYIMAGE_PARTITION_SIZE := 16776704
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1946156032
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 27917287424
-BOARD_FLASH_BLOCK_SIZE := 131072
-
-# RIL
-BOARD_PROVIDES_LIBRIL := true
 
 # cat /proc/emmc:
 # dev: size erasesize name