Fix the minor style issue

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

arch/risc-v/src/common/Toolchain.defs

@@ -82,7 +82,7 @@ ifeq ($(CONFIG_RISCV_TOOLCHAIN),GNU_RVG)
   endif
 
   ifeq ($(CONFIG_ARCH_FPU),y)
-      ARCHRVISAF = f
+    ARCHRVISAF = f
   endif
 
   ifeq ($(CONFIG_ARCH_DPFPU),y)

include/nuttx/serial/uart_rpmsg.h

@@ -43,7 +43,7 @@ extern "C"
 #define EXTERN extern
 #endif
 
-int uart_rpmsg_init(FAR const char *cpu_name, FAR const char *dev_name,
+int uart_rpmsg_init(FAR const char *cpuname, FAR const char *devname,
                     int buf_size, bool isconsole);
 
 #undef EXTERN