[Sound-open-firmware] [PATCH] README: correct the root-dir, which didn't work actually

[Keyon Jie]

Toolchain(xtensa-root) should be installed in the same layer with
the SOF repo, but maybe not in ~/source/reef/ folder.

Here correct it by using relative path.

Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
---
 README | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README b/README
index 4a38efa..9ca5b12 100644
--- a/README
+++ b/README
@@ -7,11 +7,11 @@ Build Instructions
 
 Baytrail :-
 
-./configure --with-arch=xtensa --with-platform=baytrail --with-root-dir=~/source/reef/xtensa-byt-elf --host=xtensa-byt-elf host_alias=xtensa-byt-elf
+./configure --with-arch=xtensa --with-platform=baytrail --with-root-dir=$PWD/../xtensa-root/xtensa-byt-elf --host=xtensa-byt-elf
 
 Cherrytrail :-
 
-./configure --with-arch=xtensa --with-platform=cherrytrail --with-root-dir=~/source/reef/xtensa-byt-elf --host=xtensa-byt-elf host_alias=xtensa-byt-elf
+./configure --with-arch=xtensa --with-platform=cherrytrail --with-root-dir=$PWD/../xtensa-root/xtensa-byt-elf --host=xtensa-byt-elf
 
 3) make
 
-- 
2.11.0