README: Fix typo in Board Initialisation Flow

I suppose 'these' might be 'there'.

Signed-off-by: Naoki Hayama <naoki.hayama@lineo.co.jp>
diff --git a/README b/README
index 6cb0567..b23fcc1 100644
--- a/README
+++ b/README
@@ -266,7 +266,7 @@
 		version as needed.
 	- preloader_console_init() can be called here in extremis
 	- should set up SDRAM, and anything needed to make the UART work
-	- these is no need to clear BSS, it will be done by crt0.S
+	- there is no need to clear BSS, it will be done by crt0.S
 	- for specific scenarios on certain architectures an early BSS *can*
 	  be made available (via CONFIG_SPL_EARLY_BSS by moving the clearing
 	  of BSS prior to entering board_init_f()) but doing so is discouraged.