Change in flashrom[master]: lspcon, realtek_mst: move i2c bus resolution from params to i2c_helper

[Angel Pons (Code Review)]

Attention is currently required from: Sam McNally, Peter Marheine.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/52405 )

Change subject: lspcon, realtek_mst: move i2c bus resolution from params to i2c_helper
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Patch Set 8:

(2 comments)

File i2c_helper_linux.c:

https://review.coreboot.org/c/flashrom/+/52405/comment/d38ae2df_cd934ecb 
PS6, Line 42: 	char *dev = malloc(sizeof(I2C_DEV_PREFIX));
> It must because this ultimately gets returned from i2c_buspath_from_programmer_params where the leng […]

I see. Let me try another approach...

File i2c_helper_linux.c:

https://review.coreboot.org/c/flashrom/+/52405/comment/80b279cc_2ea3b033 
PS8, Line 48: {
nit: another brace that needs to be moved