[gcc r16-3487] install.texi: For amdgcn, update Newlib version recommendation

[Tobias Burnus]

https://gcc.gnu.org/g:42bcdfa5cb64724dc0b6f1fdcdd537aa2bbefac3

commit r16-3487-g42bcdfa5cb64724dc0b6f1fdcdd537aa2bbefac3
Author: Tobias Burnus <tburnus@baylibre.com>
Date:   Mon Sep 1 12:41:41 2025 +0200

    install.texi: For amdgcn, update Newlib version recommendation
    
    Add two Newlib commits to the recommended Newlib version,
    fixing two other SIMD issues.
    Cf. PR target/121392 and Newlib Bug 33272.
    
    gcc/ChangeLog:
    
            PR target/121392
            * doc/install.texi (amdgcn): Mention Newlib commit
            that fixes another SIMD issue.

Diff:
---
 gcc/doc/install.texi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index cb48e248186c..0def9eff49e4 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -4100,7 +4100,8 @@ and that only ROCm 6.4.0 or newer is able to execute generic code.
 
 Use Newlib (4.3.0 or newer; 4.4.0 contains some improvements and 4.5.0 fixes
 the device console output for GFX10 and GFX11 devices; post-4.5.0
-commit 2ef1a37e7 [Mar 25, 2025] fixes a SIMD math issue).
+commits 2ef1a37e7 [Mar 25, 2025], f13e8e215 [Aug 8, 2025], and
+bd409f3c1 [Aug 27, 2025] fix SIMD math issues).
 
 To run the binaries, install the HSA Runtime from the
 @uref{https://rocm.docs.amd.com/,,ROCm Platform}, and use