[RFC PATCH] semihosting: update link to spec

[Alex Bennée]

The old link has moved but it seems the document is now hosted on
Arm's github along with a license update to CC-BY-SA-4.0.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 semihosting/arm-compat-semi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/semihosting/arm-compat-semi.c b/semihosting/arm-compat-semi.c
index e741674238..bfea9e9337 100644
--- a/semihosting/arm-compat-semi.c
+++ b/semihosting/arm-compat-semi.c
@@ -24,7 +24,7 @@
  *
  *  ARM Semihosting is documented in:
  *     Semihosting for AArch32 and AArch64 Release 2.0
- *     https://static.docs.arm.com/100863/0200/semihosting.pdf
+ *     
https://github.com/ARM-software/abi-aa/blob/main/semihosting/semihosting.rst
  *
  *  RISC-V Semihosting is documented in:
  *     RISC-V Semihosting
-- 
2.34.1