EDAC/r82600: Remove this obsolete driver

This driver supports the Radisys 82600 embedded chipset, which was used with
Pentium III-era CPUs. It is highly unlikely that it is still used.  Besides
its own documentation, the only information I was able to find about the
R82600, after looking through many pages of Google results, was that it was
used in a Nokia 2G GSM base station.

The original author said:

"This was after Bluesmoke (watch was out-of-tree), and was pay of the first
set of in tree edac drivers (a fresh design as far as I remember).

This particular driver did apparently get used by Akamai quite heavily and
widely  but all ancient history now. The Radisys r82600 edac driver 
r82600_edac.c was closely related hardware from the same era, and can probably
go too (although being embedded hardware, it's possible its production
lifespan was considerably longer).

Tim."

Mail is

  https://lore.kernel.org/r/01BCCA37-F6A2-458B-BFE7-99C7724CDDEA@buttersideup.com

but lkml drops html mail so quoting the relevant info here too.

  [ bp: Massage and extend commit message. ]

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20260130052633.13119-1-enelsonmoore@gmail.com

Author: EthanNelson-Moore

CREDITS

@@ -3769,6 +3769,7 @@ S: Australia
 N: Tim Small
 E: tim@buttersideup.com
 D: Intel 82443BX/GX (440BX/GX chipset) EDAC driver
+D: Radisys 82600 embedded chipset EDAC driver
 
 N: Stephen Smalley
 E: sds@tycho.nsa.gov

MAINTAINERS

@@ -9141,12 +9141,6 @@ L:	linux-edac@vger.kernel.org
 S:	Maintained
 F:	drivers/edac/qcom_edac.c
 
-EDAC-R82600
-M:	Tim Small <tim@buttersideup.com>
-L:	linux-edac@vger.kernel.org
-S:	Maintained
-F:	drivers/edac/r82600_edac.c
-
 EDAC-SBRIDGE
 M:	Tony Luck <tony.luck@intel.com>
 R:	Qiuxu Zhuo <qiuxu.zhuo@intel.com>

drivers/edac/Kconfig

@@ -215,13 +215,6 @@ config EDAC_I82860
 	  Support for error detection and correction on the Intel
 	  82860 chipset.
 
-config EDAC_R82600
-	tristate "Radisys 82600 embedded chipset"
-	depends on PCI && X86_32
-	help
-	  Support for error detection and correction on the Radisys
-	  82600 embedded chipset.
-
 config EDAC_I5000
 	tristate "Intel Greencreek/Blackford chipset"
 	depends on X86 && PCI

drivers/edac/Makefile

@@ -45,7 +45,6 @@ obj-$(CONFIG_EDAC_I3200)		+= i3200_edac.o
 obj-$(CONFIG_EDAC_IE31200)		+= ie31200_edac.o
 obj-$(CONFIG_EDAC_X38)			+= x38_edac.o
 obj-$(CONFIG_EDAC_I82860)		+= i82860_edac.o
-obj-$(CONFIG_EDAC_R82600)		+= r82600_edac.o
 obj-$(CONFIG_EDAC_AMD64)		+= amd64_edac.o
 
 obj-$(CONFIG_EDAC_PASEMI)		+= pasemi_edac.o