MIPS: Move CONFIG_SYS_TEXT_BASE to Kconfig

Move CONFIG_SYS_TEXT_BASE to Kconfig, and add default values in board
Kconfig files matching what was present in their config headers. This
will make it cleaner to conditionalise the value for Malta based on 32
vs 64 bit builds.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
diff --git a/board/dbau1x00/Kconfig b/board/dbau1x00/Kconfig
index b813adb..342ec59 100644
--- a/board/dbau1x00/Kconfig
+++ b/board/dbau1x00/Kconfig
@@ -9,6 +9,9 @@
 config SYS_CONFIG_NAME
 	default "dbau1x00"
 
+config SYS_TEXT_BASE
+	default 0xbfc00000
+
 menu "dbau1x00 board options"
 
 choice
diff --git a/board/imgtec/malta/Kconfig b/board/imgtec/malta/Kconfig
index 4c06d0c..2bb8e8b 100644
--- a/board/imgtec/malta/Kconfig
+++ b/board/imgtec/malta/Kconfig
@@ -9,4 +9,7 @@
 config SYS_CONFIG_NAME
 	default "malta"
 
+config SYS_TEXT_BASE
+	default 0xbe000000
+
 endif
diff --git a/board/microchip/pic32mzda/Kconfig b/board/microchip/pic32mzda/Kconfig
index 8acb393..4f08e98 100644
--- a/board/microchip/pic32mzda/Kconfig
+++ b/board/microchip/pic32mzda/Kconfig
@@ -10,4 +10,7 @@
 config SYS_CONFIG_NAME
 	default "pic32mzdask"
 
+config SYS_TEXT_BASE
+	default 0x9d004000
+
 endif
diff --git a/board/micronas/vct/Kconfig b/board/micronas/vct/Kconfig
index c518079..535a77b 100644
--- a/board/micronas/vct/Kconfig
+++ b/board/micronas/vct/Kconfig
@@ -9,6 +9,9 @@
 config SYS_CONFIG_NAME
 	default "vct"
 
+config SYS_TEXT_BASE
+	default 0x87000000
+
 menu "vct board options"
 
 choice
diff --git a/board/pb1x00/Kconfig b/board/pb1x00/Kconfig
index 251db6a..236a410 100644
--- a/board/pb1x00/Kconfig
+++ b/board/pb1x00/Kconfig
@@ -9,4 +9,7 @@
 config SYS_CONFIG_NAME
 	default "pb1x00"
 
+config SYS_TEXT_BASE
+	default 0x83800000
+
 endif
diff --git a/board/qca/ap121/Kconfig b/board/qca/ap121/Kconfig
index f7e768a..c3ecc8f 100644
--- a/board/qca/ap121/Kconfig
+++ b/board/qca/ap121/Kconfig
@@ -9,4 +9,7 @@
 config SYS_CONFIG_NAME
 	default "ap121"
 
+config SYS_TEXT_BASE
+	default 0x9f000000
+
 endif
diff --git a/board/qca/ap143/Kconfig b/board/qca/ap143/Kconfig
index 4cdac0d..5ea5d6f 100644
--- a/board/qca/ap143/Kconfig
+++ b/board/qca/ap143/Kconfig
@@ -9,4 +9,7 @@
 config SYS_CONFIG_NAME
 	default "ap143"
 
+config SYS_TEXT_BASE
+	default 0x9f000000
+
 endif
diff --git a/board/qemu-mips/Kconfig b/board/qemu-mips/Kconfig
index 18d78b5..3de1f44 100644
--- a/board/qemu-mips/Kconfig
+++ b/board/qemu-mips/Kconfig
@@ -7,4 +7,8 @@
 	default "qemu-mips" if 32BIT
 	default "qemu-mips64" if 64BIT
 
+config SYS_TEXT_BASE
+	default 0xbfc00000 if 32BIT
+	default 0xffffffffbfc00000 if 64BIT
+
 endif
diff --git a/board/tplink/wdr4300/Kconfig b/board/tplink/wdr4300/Kconfig
index 902abf5..65785bd 100644
--- a/board/tplink/wdr4300/Kconfig
+++ b/board/tplink/wdr4300/Kconfig
@@ -12,4 +12,7 @@
 config SYS_CONFIG_NAME
 	default "tplink_wdr4300"
 
+config SYS_TEXT_BASE
+	default 0xa1000000
+
 endif