spl: fix linker size check off-by-one errors

This fixes SPL linker script size checks for 3 lds files where the size
checks were implemented as "x < YYY_MAX_SIZE".

Fix the size checks to be "x <= YYY_MAX_SIZE" instead.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>

arch/arm/cpu/u-boot-spl.lds

@@ -79,16 +79,16 @@ SECTIONS
 }
 
 #if defined(IMAGE_MAX_SIZE)
-ASSERT(__image_copy_end - __image_copy_start < (IMAGE_MAX_SIZE), \
+ASSERT(__image_copy_end - __image_copy_start <= (IMAGE_MAX_SIZE), \
 	"SPL image too big");
 #endif
 
 #if defined(CONFIG_SPL_BSS_MAX_SIZE)
-ASSERT(__bss_end - __bss_start < (CONFIG_SPL_BSS_MAX_SIZE), \
+ASSERT(__bss_end - __bss_start <= (CONFIG_SPL_BSS_MAX_SIZE), \
 	"SPL image BSS too big");
 #endif
 
 #if defined(CONFIG_SPL_MAX_FOOTPRINT)
-ASSERT(__bss_end - _start < (CONFIG_SPL_MAX_FOOTPRINT), \
+ASSERT(__bss_end - _start <= (CONFIG_SPL_MAX_FOOTPRINT), \
 	"SPL image plus BSS too big");
 #endif

arch/arm/mach-at91/arm926ejs/u-boot-spl.lds

@@ -52,11 +52,11 @@ SECTIONS
 }
 
 #if defined(IMAGE_MAX_SIZE)
-ASSERT(__image_copy_end - __start < (IMAGE_MAX_SIZE), \
+ASSERT(__image_copy_end - __start <= (IMAGE_MAX_SIZE), \
 	"SPL image too big");
 #endif
 
 #if defined(CONFIG_SPL_BSS_MAX_SIZE)
-ASSERT(__bss_end - __bss_start < (CONFIG_SPL_BSS_MAX_SIZE), \
+ASSERT(__bss_end - __bss_start <= (CONFIG_SPL_BSS_MAX_SIZE), \
 	"SPL image BSS too big");
 #endif

arch/microblaze/cpu/u-boot-spl.lds

@@ -57,6 +57,6 @@ SECTIONS
 }
 
 #if defined(CONFIG_SPL_MAX_FOOTPRINT)
-ASSERT(__end - _start < (CONFIG_SPL_MAX_FOOTPRINT), \
+ASSERT(__end - _start <= (CONFIG_SPL_MAX_FOOTPRINT), \
         "SPL image plus BSS too big");
 #endif