Fix issue in CORTEX_LM3S811_GCC Demo linkerscipt (#102)

The .text section is listed as *(.text) and results in build
error because there are some .text* sections that are automatically put
into flash later by linker and their LMA overlaps
with .data

Co-authored-by: Ming Yue <mingyue86010@gmail.com>

FreeRTOS/Demo/CORTEX_LM3S811_GCC/standalone.ld

@@ -37,7 +37,7 @@ SECTIONS
     .text :
     {
         KEEP(*(.isr_vector))
-        *(.text)
+        *(.text*)
         *(.rodata*)
         _etext = .;
     } > FLASH