sh: make the linker scripts more generic

currently we need to sync the linker script enty and TEXT_BASE manualy
and the reloc_dst is based on it

instead provide it now from the ldflags

tested on r2dplus

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/rsk7203/u-boot.lds b/board/renesas/rsk7203/u-boot.lds
index bd4a550..6db5a00 100644
--- a/board/renesas/rsk7203/u-boot.lds
+++ b/board/renesas/rsk7203/u-boot.lds
@@ -28,15 +28,9 @@
 SECTIONS
 {
 	/*
-	 * Base address of internal SDRAM is 0x0C000000.
-	 *
-	 * NOTE: This address must match with the definition of
-	 *TEXT_BASE in config.mk (in this directory).
+	 * entry and reloct_dst will be provided via ldflags
 	 */
-
-	. = 0x0C000000 + (8*1024*1024) - (256*1024);
-
-	PROVIDE (reloc_dst = .);
+	. = .;
 
 	PROVIDE (_ftext = .);
 	PROVIDE (_fcode = .);