[PATCH fixes] MIPS: ip30: ip30-console: Add missing include

[Jiaxun Yang]

Include linux/processor.h to fix build error:

arch/mips/sgi-ip30/ip30-console.c: In function ‘prom_putchar’:
arch/mips/sgi-ip30/ip30-console.c:21:17: error: implicit declaration of function ‘cpu_relax’ [-Werror=implicit-function-declaration]
   21 |                 cpu_relax();

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
---
 arch/mips/sgi-ip30/ip30-console.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/sgi-ip30/ip30-console.c b/arch/mips/sgi-ip30/ip30-console.c
index 7c6dcf6e73f7..a5f10097b985 100644
--- a/arch/mips/sgi-ip30/ip30-console.c
+++ b/arch/mips/sgi-ip30/ip30-console.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 
 #include <linux/io.h>
+#include <linux/processor.h>
 
 #include <asm/sn/ioc3.h>
 #include <asm/setup.h>

---
base-commit: 6906a84c482f098d31486df8dc98cead21cce2d0
change-id: 20240616-ip30-buildfix-20d62f2d6186

Best regards,
-- 
Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>