bcm4908: use backported brcmstb soc stubs patch

Final version differs slightly - uses IS_ENABLED()

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

target/linux/bcm4908/patches-5.4/082-v5.12-0003-soc-bcm-brcmstb-add-stubs-for-getting-platform-IDs.patch

@@ -1,7 +1,10 @@
-From c149974b2ae2e2296c66262a4ee797c06c39982b Mon Sep 17 00:00:00 2001
+From 149ae80b1d50e7db5ac7df1cdf0820017b70e716 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Thu, 14 Jan 2021 11:33:01 +0100
-Subject: [PATCH] soc: brcmstb: add stubs for getting platform IDs
+Date: Thu, 14 Jan 2021 11:53:18 +0100
+Subject: [PATCH] soc: bcm: brcmstb: add stubs for getting platform IDs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
 
 Some brcmstb drivers may be shared with other SoC families. E.g. the
 same USB PHY block is shared by brcmstb and BCM4908.
@@ -14,27 +17,38 @@ stubs for:
 
 With this change PHY_BRCM_USB will not have to unconditionally select
 SOC_BRCMSTB anymore.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
 ---
  include/linux/soc/brcmstb/brcmstb.h | 16 ++++++++++++++++
  1 file changed, 16 insertions(+)
 
 --- a/include/linux/soc/brcmstb/brcmstb.h
 +++ b/include/linux/soc/brcmstb/brcmstb.h
-@@ -12,6 +12,8 @@ static inline u32 BRCM_REV(u32 reg)
+@@ -2,6 +2,8 @@
+ #ifndef __BRCMSTB_SOC_H
+ #define __BRCMSTB_SOC_H
+ 
++#include <linux/kconfig.h>
++
+ static inline u32 BRCM_ID(u32 reg)
+ {
+ 	return reg >> 28 ? reg >> 16 : reg >> 8;
+@@ -12,6 +14,8 @@ static inline u32 BRCM_REV(u32 reg)
  	return reg & 0xff;
  }
  
-+#ifdef CONFIG_SOC_BRCMSTB
++#if IS_ENABLED(CONFIG_SOC_BRCMSTB)
 +
  /*
   * Helper functions for getting family or product id from the
   * SoC driver.
-@@ -19,4 +21,18 @@ static inline u32 BRCM_REV(u32 reg)
+@@ -19,4 +23,16 @@ static inline u32 BRCM_REV(u32 reg)
  u32 brcmstb_get_family_id(void);
  u32 brcmstb_get_product_id(void);
  
 +#else
-+
 +static inline u32 brcmstb_get_family_id(void)
 +{
 +	return 0;
@@ -44,7 +58,6 @@ SOC_BRCMSTB anymore.
 +{
 +	return 0;
 +}
-+
 +#endif
 +
  #endif /* __BRCMSTB_SOC_H */