docs: fix PPR for AMD EPYC broken link

As 'AMD Documentation Hub' [1] announced: "All technical documentation,
including for AMD EPYC™ processors ..., and more is now hosted on the
AMD Technical Information Portal (TIP) [2]".

By searching the No.55898, update the new URL.

[1] https://www.amd.com/en/search/documentation/hub.html
[2] https://docs.amd.com/

Signed-off-by: Haiyue Wang <haiyuewa@163.com>
Acked-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20251230133101.14362-1-haiyuewa@163.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Author: haiyuewa

Documentation/arch/x86/amd_hsmp.rst

@@ -14,7 +14,7 @@ set of mailbox registers.
 
 More details on the interface can be found in chapter
 "7 Host System Management Port (HSMP)" of the family/model PPR
-Eg: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/55898_B1_pub_0_50.zip
+Eg: https://docs.amd.com/v/u/en-US/55898_B1_pub_0_50
 
 
 HSMP interface is supported on EPYC line of server CPUs and MI300A (APU).
@@ -185,7 +185,7 @@ what happened. The transaction returns 0 on success.
 
 More details on the interface and message definitions can be found in chapter
 "7 Host System Management Port (HSMP)" of the respective family/model PPR
-eg: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/55898_B1_pub_0_50.zip
+eg: https://docs.amd.com/v/u/en-US/55898_B1_pub_0_50
 
 User space C-APIs are made available by linking against the esmi library,
 which is provided by the E-SMS project https://www.amd.com/en/developer/e-sms.html.

Documentation/misc-devices/amd-sbi.rst

@@ -15,7 +15,7 @@ and SB Temperature Sensor Interface (SB-TSI)).
 More details on the interface can be found in chapter
 "5 Advanced Platform Management Link (APML)" of the family/model PPR [1]_.
 
-.. [1] https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/55898_B1_pub_0_50.zip
+.. [1] https://docs.amd.com/v/u/en-US/55898_B1_pub_0_50
 
 
 SBRMI device