net: smc911x: Drop weak alias from 32bit accessors

These accessors are not overridden by any board, and even if they were,
this is something which should be handled via DM now, so remove the
weak alias option. Moreover, drop the inline keyword, as the compiler
can decide better.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/examples/standalone/smc911x_eeprom.c b/examples/standalone/smc911x_eeprom.c
index 19ad9e6..270588b 100644
--- a/examples/standalone/smc911x_eeprom.c
+++ b/examples/standalone/smc911x_eeprom.c
@@ -51,28 +51,22 @@
 };
 
 #if defined (CONFIG_SMC911X_32_BIT)
-static inline u32 __smc911x_reg_read(struct eth_device *dev, u32 offset)
+static u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
 {
 	return *(volatile u32*)(dev->iobase + offset);
 }
-u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
-	__attribute__((weak, alias("__smc911x_reg_read")));
 
-static inline void __smc911x_reg_write(struct eth_device *dev,
-					u32 offset, u32 val)
+static void smc911x_reg_write(struct eth_device *dev, u32 offset, u32 val)
 {
 	*(volatile u32*)(dev->iobase + offset) = val;
 }
-void smc911x_reg_write(struct eth_device *dev, u32 offset, u32 val)
-	__attribute__((weak, alias("__smc911x_reg_write")));
 #elif defined (CONFIG_SMC911X_16_BIT)
-static inline u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
+static u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
 {
 	volatile u16 *addr_16 = (u16 *)(dev->iobase + offset);
-	return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16));
+	return (*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16);
 }
-static inline void smc911x_reg_write(struct eth_device *dev,
-					u32 offset, u32 val)
+static void smc911x_reg_write(struct eth_device *dev, u32 offset, u32 val)
 {
 	*(volatile u16 *)(dev->iobase + offset) = (u16)val;
 	*(volatile u16 *)(dev->iobase + offset + 2) = (u16)(val >> 16);