accel/amdxdna: Remove NPU2 support

NPU2 hardware was never publicly released and is now obsolete.
Remove all remaining NPU2 support from the driver.

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20251217190818.2145781-1-lizhi.hou@amd.com

Author: houlz0507

drivers/accel/amdxdna/Makefile

@@ -18,7 +18,6 @@ amdxdna-y := \
 	amdxdna_sysfs.o \
 	amdxdna_ubuf.o \
 	npu1_regs.o \
-	npu2_regs.o \
 	npu4_regs.o \
 	npu5_regs.o \
 	npu6_regs.o

drivers/accel/amdxdna/amdxdna_pci_drv.c

@@ -51,7 +51,6 @@ MODULE_DEVICE_TABLE(pci, pci_ids);
 
 static const struct amdxdna_device_id amdxdna_ids[] = {
 	{ 0x1502, 0x0,  &dev_npu1_info },
-	{ 0x17f0, 0x0,  &dev_npu2_info },
 	{ 0x17f0, 0x10, &dev_npu4_info },
 	{ 0x17f0, 0x11, &dev_npu5_info },
 	{ 0x17f0, 0x20, &dev_npu6_info },

drivers/accel/amdxdna/amdxdna_pci_drv.h

@@ -137,7 +137,6 @@ struct amdxdna_client {
 
 /* Add device info below */
 extern const struct amdxdna_dev_info dev_npu1_info;
-extern const struct amdxdna_dev_info dev_npu2_info;
 extern const struct amdxdna_dev_info dev_npu4_info;
 extern const struct amdxdna_dev_info dev_npu5_info;
 extern const struct amdxdna_dev_info dev_npu6_info;